Home / 1,251.16-1,728.48-1,066.58

Finding the Fourth Proportional to 1,251.16, 1,728.48 and 1,066.58

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Solution

The fourth proportional to 1,251.16, 1,728.48 and 1,066.58 is: 1,473.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251.16 : 1,728.48 = 1,066.58 : x
  2. Step 2: Convert to fraction form
    1,251.16/1,728.48 = 1,066.58/x
  3. Step 3: Cross multiply
    1,251.16x = 1,728.48 × 1,066.58
  4. Step 4: Simplify right side
    1,251.16x = 1,843,562.20
  5. Step 5: Solve for x
    x = 1,843,562.20/1,251.16
  6. Step 6: Final answer
    x = 1,473.48

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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.