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Finding the Fourth Proportional to 3,601.53, 5,402.27 and 1,408.71

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Solution

The fourth proportional to 3,601.53, 5,402.27 and 1,408.71 is: 2,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.53 : 5,402.27 = 1,408.71 : x
  2. Step 2: Convert to fraction form
    3,601.53/5,402.27 = 1,408.71/x
  3. Step 3: Cross multiply
    3,601.53x = 5,402.27 × 1,408.71
  4. Step 4: Simplify right side
    3,601.53x = 7,610,235.29
  5. Step 5: Solve for x
    x = 7,610,235.29/3,601.53
  6. Step 6: Final answer
    x = 2,113.06

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1.5x scale

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.