Home / 3,138.04-4,708.40-1,839.52

Finding the Fourth Proportional to 3,138.04, 4,708.40 and 1,839.52

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Solution

The fourth proportional to 3,138.04, 4,708.40 and 1,839.52 is: 2,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.04 : 4,708.40 = 1,839.52 : x
  2. Step 2: Convert to fraction form
    3,138.04/4,708.40 = 1,839.52/x
  3. Step 3: Cross multiply
    3,138.04x = 4,708.40 × 1,839.52
  4. Step 4: Simplify right side
    3,138.04x = 8,661,195.97
  5. Step 5: Solve for x
    x = 8,661,195.97/3,138.04
  6. Step 6: Final answer
    x = 2,760.07

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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.