Home / 3,411.28-4,709.89-2,515.13

Finding the Fourth Proportional to 3,411.28, 4,709.89 and 2,515.13

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Solution

The fourth proportional to 3,411.28, 4,709.89 and 2,515.13 is: 3,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.28 : 4,709.89 = 2,515.13 : x
  2. Step 2: Convert to fraction form
    3,411.28/4,709.89 = 2,515.13/x
  3. Step 3: Cross multiply
    3,411.28x = 4,709.89 × 2,515.13
  4. Step 4: Simplify right side
    3,411.28x = 11,845,965.23
  5. Step 5: Solve for x
    x = 11,845,965.23/3,411.28
  6. Step 6: Final answer
    x = 3,472.59

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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.