Home / 3,731.78-5,592.81-1,538.30

Finding the Fourth Proportional to 3,731.78, 5,592.81 and 1,538.30

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Solution

The fourth proportional to 3,731.78, 5,592.81 and 1,538.30 is: 2,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731.78 : 5,592.81 = 1,538.30 : x
  2. Step 2: Convert to fraction form
    3,731.78/5,592.81 = 1,538.30/x
  3. Step 3: Cross multiply
    3,731.78x = 5,592.81 × 1,538.30
  4. Step 4: Simplify right side
    3,731.78x = 8,603,419.62
  5. Step 5: Solve for x
    x = 8,603,419.62/3,731.78
  6. Step 6: Final answer
    x = 2,305.45

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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.