Home / 3,612.30-5,407.89-3,266.43

Finding the Fourth Proportional to 3,612.30, 5,407.89 and 3,266.43

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Solution

The fourth proportional to 3,612.30, 5,407.89 and 3,266.43 is: 4,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.30 : 5,407.89 = 3,266.43 : x
  2. Step 2: Convert to fraction form
    3,612.30/5,407.89 = 3,266.43/x
  3. Step 3: Cross multiply
    3,612.30x = 5,407.89 × 3,266.43
  4. Step 4: Simplify right side
    3,612.30x = 17,664,494.13
  5. Step 5: Solve for x
    x = 17,664,494.13/3,612.30
  6. Step 6: Final answer
    x = 4,890.10

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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.