Home / 2,431.52-3,646.14-1,114.91

Finding the Fourth Proportional to 2,431.52, 3,646.14 and 1,114.91

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Solution

The fourth proportional to 2,431.52, 3,646.14 and 1,114.91 is: 1,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.52 : 3,646.14 = 1,114.91 : x
  2. Step 2: Convert to fraction form
    2,431.52/3,646.14 = 1,114.91/x
  3. Step 3: Cross multiply
    2,431.52x = 3,646.14 × 1,114.91
  4. Step 4: Simplify right side
    2,431.52x = 4,065,132.85
  5. Step 5: Solve for x
    x = 4,065,132.85/2,431.52
  6. Step 6: Final answer
    x = 1,671.85

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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.