Home / 3,702.50-5,109.57-2,286.14

Finding the Fourth Proportional to 3,702.50, 5,109.57 and 2,286.14

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Solution

The fourth proportional to 3,702.50, 5,109.57 and 2,286.14 is: 3,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.50 : 5,109.57 = 2,286.14 : x
  2. Step 2: Convert to fraction form
    3,702.50/5,109.57 = 2,286.14/x
  3. Step 3: Cross multiply
    3,702.50x = 5,109.57 × 2,286.14
  4. Step 4: Simplify right side
    3,702.50x = 11,681,192.36
  5. Step 5: Solve for x
    x = 11,681,192.36/3,702.50
  6. Step 6: Final answer
    x = 3,154.95

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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.