Home / 1,458.55-2,008.42-1,247.14

Finding the Fourth Proportional to 1,458.55, 2,008.42 and 1,247.14

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Solution

The fourth proportional to 1,458.55, 2,008.42 and 1,247.14 is: 1,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.55 : 2,008.42 = 1,247.14 : x
  2. Step 2: Convert to fraction form
    1,458.55/2,008.42 = 1,247.14/x
  3. Step 3: Cross multiply
    1,458.55x = 2,008.42 × 1,247.14
  4. Step 4: Simplify right side
    1,458.55x = 2,504,780.92
  5. Step 5: Solve for x
    x = 2,504,780.92/1,458.55
  6. Step 6: Final answer
    x = 1,717.31

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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.