Home / 3,778.38-5,663.39-1,436.13

Finding the Fourth Proportional to 3,778.38, 5,663.39 and 1,436.13

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Solution

The fourth proportional to 3,778.38, 5,663.39 and 1,436.13 is: 2,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.38 : 5,663.39 = 1,436.13 : x
  2. Step 2: Convert to fraction form
    3,778.38/5,663.39 = 1,436.13/x
  3. Step 3: Cross multiply
    3,778.38x = 5,663.39 × 1,436.13
  4. Step 4: Simplify right side
    3,778.38x = 8,133,357.10
  5. Step 5: Solve for x
    x = 8,133,357.10/3,778.38
  6. Step 6: Final answer
    x = 2,152.60

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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.