Home / 3,702.20-5,552.10-1,236.38

Finding the Fourth Proportional to 3,702.20, 5,552.10 and 1,236.38

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Solution

The fourth proportional to 3,702.20, 5,552.10 and 1,236.38 is: 1,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.20 : 5,552.10 = 1,236.38 : x
  2. Step 2: Convert to fraction form
    3,702.20/5,552.10 = 1,236.38/x
  3. Step 3: Cross multiply
    3,702.20x = 5,552.10 × 1,236.38
  4. Step 4: Simplify right side
    3,702.20x = 6,864,505.40
  5. Step 5: Solve for x
    x = 6,864,505.40/3,702.20
  6. Step 6: Final answer
    x = 1,854.17

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1.5x scale

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.