Home / 2,261.75-3,122.76-1,477.19

Finding the Fourth Proportional to 2,261.75, 3,122.76 and 1,477.19

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Solution

The fourth proportional to 2,261.75, 3,122.76 and 1,477.19 is: 2,039.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.75 : 3,122.76 = 1,477.19 : x
  2. Step 2: Convert to fraction form
    2,261.75/3,122.76 = 1,477.19/x
  3. Step 3: Cross multiply
    2,261.75x = 3,122.76 × 1,477.19
  4. Step 4: Simplify right side
    2,261.75x = 4,612,909.84
  5. Step 5: Solve for x
    x = 4,612,909.84/2,261.75
  6. Step 6: Final answer
    x = 2,039.53

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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.