Home / 1,474.14-2,032.47-1,239.90

Finding the Fourth Proportional to 1,474.14, 2,032.47 and 1,239.90

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Solution

The fourth proportional to 1,474.14, 2,032.47 and 1,239.90 is: 1,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.14 : 2,032.47 = 1,239.90 : x
  2. Step 2: Convert to fraction form
    1,474.14/2,032.47 = 1,239.90/x
  3. Step 3: Cross multiply
    1,474.14x = 2,032.47 × 1,239.90
  4. Step 4: Simplify right side
    1,474.14x = 2,520,059.55
  5. Step 5: Solve for x
    x = 2,520,059.55/1,474.14
  6. Step 6: Final answer
    x = 1,709.51

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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.