Home / 3,708.20-5,140.73-3,510.92

Finding the Fourth Proportional to 3,708.20, 5,140.73 and 3,510.92

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Solution

The fourth proportional to 3,708.20, 5,140.73 and 3,510.92 is: 4,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.20 : 5,140.73 = 3,510.92 : x
  2. Step 2: Convert to fraction form
    3,708.20/5,140.73 = 3,510.92/x
  3. Step 3: Cross multiply
    3,708.20x = 5,140.73 × 3,510.92
  4. Step 4: Simplify right side
    3,708.20x = 18,048,691.77
  5. Step 5: Solve for x
    x = 18,048,691.77/3,708.20
  6. Step 6: Final answer
    x = 4,867.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.