Home / 1,517.41-2,276.24-477.57

Finding the Fourth Proportional to 1,517.41, 2,276.24 and 477.57

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Solution

The fourth proportional to 1,517.41, 2,276.24 and 477.57 is: 716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.41 : 2,276.24 = 477.57 : x
  2. Step 2: Convert to fraction form
    1,517.41/2,276.24 = 477.57/x
  3. Step 3: Cross multiply
    1,517.41x = 2,276.24 × 477.57
  4. Step 4: Simplify right side
    1,517.41x = 1,087,057.28
  5. Step 5: Solve for x
    x = 1,087,057.28/1,517.41
  6. Step 6: Final answer
    x = 716.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.