Home / 3,283.12-4,529.13-2,221.25

Finding the Fourth Proportional to 3,283.12, 4,529.13 and 2,221.25

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Solution

The fourth proportional to 3,283.12, 4,529.13 and 2,221.25 is: 3,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.12 : 4,529.13 = 2,221.25 : x
  2. Step 2: Convert to fraction form
    3,283.12/4,529.13 = 2,221.25/x
  3. Step 3: Cross multiply
    3,283.12x = 4,529.13 × 2,221.25
  4. Step 4: Simplify right side
    3,283.12x = 10,060,341.34
  5. Step 5: Solve for x
    x = 10,060,341.34/3,283.12
  6. Step 6: Final answer
    x = 3,064.26

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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.