Home / 3,640.11-5,024.42-3,148.03

Finding the Fourth Proportional to 3,640.11, 5,024.42 and 3,148.03

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Solution

The fourth proportional to 3,640.11, 5,024.42 and 3,148.03 is: 4,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.11 : 5,024.42 = 3,148.03 : x
  2. Step 2: Convert to fraction form
    3,640.11/5,024.42 = 3,148.03/x
  3. Step 3: Cross multiply
    3,640.11x = 5,024.42 × 3,148.03
  4. Step 4: Simplify right side
    3,640.11x = 15,817,024.89
  5. Step 5: Solve for x
    x = 15,817,024.89/3,640.11
  6. Step 6: Final answer
    x = 4,345.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.