Home / 2,387.07-3,294.18-1,339.11

Finding the Fourth Proportional to 2,387.07, 3,294.18 and 1,339.11

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Solution

The fourth proportional to 2,387.07, 3,294.18 and 1,339.11 is: 1,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.07 : 3,294.18 = 1,339.11 : x
  2. Step 2: Convert to fraction form
    2,387.07/3,294.18 = 1,339.11/x
  3. Step 3: Cross multiply
    2,387.07x = 3,294.18 × 1,339.11
  4. Step 4: Simplify right side
    2,387.07x = 4,411,269.38
  5. Step 5: Solve for x
    x = 4,411,269.38/2,387.07
  6. Step 6: Final answer
    x = 1,847.98

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1.5x scale

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.