Home / 3,748.72-5,622.70-1,151.68

Finding the Fourth Proportional to 3,748.72, 5,622.70 and 1,151.68

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Solution

The fourth proportional to 3,748.72, 5,622.70 and 1,151.68 is: 1,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.72 : 5,622.70 = 1,151.68 : x
  2. Step 2: Convert to fraction form
    3,748.72/5,622.70 = 1,151.68/x
  3. Step 3: Cross multiply
    3,748.72x = 5,622.70 × 1,151.68
  4. Step 4: Simplify right side
    3,748.72x = 6,475,551.14
  5. Step 5: Solve for x
    x = 6,475,551.14/3,748.72
  6. Step 6: Final answer
    x = 1,727.40

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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.