Home / 3,134.40-4,326-2,387.16

Finding the Fourth Proportional to 3,134.40, 4,326 and 2,387.16

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Solution

The fourth proportional to 3,134.40, 4,326 and 2,387.16 is: 3,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.40 : 4,326 = 2,387.16 : x
  2. Step 2: Convert to fraction form
    3,134.40/4,326 = 2,387.16/x
  3. Step 3: Cross multiply
    3,134.40x = 4,326 × 2,387.16
  4. Step 4: Simplify right side
    3,134.40x = 10,326,854.16
  5. Step 5: Solve for x
    x = 10,326,854.16/3,134.40
  6. Step 6: Final answer
    x = 3,294.68

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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.