Home / 3,531.05-5,294.91-1,308.35

Finding the Fourth Proportional to 3,531.05, 5,294.91 and 1,308.35

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Solution

The fourth proportional to 3,531.05, 5,294.91 and 1,308.35 is: 1,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.05 : 5,294.91 = 1,308.35 : x
  2. Step 2: Convert to fraction form
    3,531.05/5,294.91 = 1,308.35/x
  3. Step 3: Cross multiply
    3,531.05x = 5,294.91 × 1,308.35
  4. Step 4: Simplify right side
    3,531.05x = 6,927,577.35
  5. Step 5: Solve for x
    x = 6,927,577.35/3,531.05
  6. Step 6: Final answer
    x = 1,961.90

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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.