Home / 3,738.48-5,607.68-1,684.08

Finding the Fourth Proportional to 3,738.48, 5,607.68 and 1,684.08

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Solution

The fourth proportional to 3,738.48, 5,607.68 and 1,684.08 is: 2,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.48 : 5,607.68 = 1,684.08 : x
  2. Step 2: Convert to fraction form
    3,738.48/5,607.68 = 1,684.08/x
  3. Step 3: Cross multiply
    3,738.48x = 5,607.68 × 1,684.08
  4. Step 4: Simplify right side
    3,738.48x = 9,443,781.73
  5. Step 5: Solve for x
    x = 9,443,781.73/3,738.48
  6. Step 6: Final answer
    x = 2,526.10

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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.