Home / 3,451.68-5,176.08-1,372.68

Finding the Fourth Proportional to 3,451.68, 5,176.08 and 1,372.68

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Solution

The fourth proportional to 3,451.68, 5,176.08 and 1,372.68 is: 2,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.68 : 5,176.08 = 1,372.68 : x
  2. Step 2: Convert to fraction form
    3,451.68/5,176.08 = 1,372.68/x
  3. Step 3: Cross multiply
    3,451.68x = 5,176.08 × 1,372.68
  4. Step 4: Simplify right side
    3,451.68x = 7,105,101.49
  5. Step 5: Solve for x
    x = 7,105,101.49/3,451.68
  6. Step 6: Final answer
    x = 2,058.45

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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.