Home / 3,220.13-4,440.75-2,559.17

Finding the Fourth Proportional to 3,220.13, 4,440.75 and 2,559.17

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Solution

The fourth proportional to 3,220.13, 4,440.75 and 2,559.17 is: 3,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.13 : 4,440.75 = 2,559.17 : x
  2. Step 2: Convert to fraction form
    3,220.13/4,440.75 = 2,559.17/x
  3. Step 3: Cross multiply
    3,220.13x = 4,440.75 × 2,559.17
  4. Step 4: Simplify right side
    3,220.13x = 11,364,634.18
  5. Step 5: Solve for x
    x = 11,364,634.18/3,220.13
  6. Step 6: Final answer
    x = 3,529.25

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,221.13, 4,442.13 and 2,560.17
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.