Home / 1,517.16-2,275.77-477.33

Finding the Fourth Proportional to 1,517.16, 2,275.77 and 477.33

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Solution

The fourth proportional to 1,517.16, 2,275.77 and 477.33 is: 716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.16 : 2,275.77 = 477.33 : x
  2. Step 2: Convert to fraction form
    1,517.16/2,275.77 = 477.33/x
  3. Step 3: Cross multiply
    1,517.16x = 2,275.77 × 477.33
  4. Step 4: Simplify right side
    1,517.16x = 1,086,293.29
  5. Step 5: Solve for x
    x = 1,086,293.29/1,517.16
  6. Step 6: Final answer
    x = 716.00

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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.