Home / 1,634.13-2,451.28-538.47

Finding the Fourth Proportional to 1,634.13, 2,451.28 and 538.47

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Solution

The fourth proportional to 1,634.13, 2,451.28 and 538.47 is: 807.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.13 : 2,451.28 = 538.47 : x
  2. Step 2: Convert to fraction form
    1,634.13/2,451.28 = 538.47/x
  3. Step 3: Cross multiply
    1,634.13x = 2,451.28 × 538.47
  4. Step 4: Simplify right side
    1,634.13x = 1,319,940.74
  5. Step 5: Solve for x
    x = 1,319,940.74/1,634.13
  6. Step 6: Final answer
    x = 807.73

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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.