Home / 3,130.60-4,694.17-2,144.55

Finding the Fourth Proportional to 3,130.60, 4,694.17 and 2,144.55

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Solution

The fourth proportional to 3,130.60, 4,694.17 and 2,144.55 is: 3,215.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.60 : 4,694.17 = 2,144.55 : x
  2. Step 2: Convert to fraction form
    3,130.60/4,694.17 = 2,144.55/x
  3. Step 3: Cross multiply
    3,130.60x = 4,694.17 × 2,144.55
  4. Step 4: Simplify right side
    3,130.60x = 10,066,882.27
  5. Step 5: Solve for x
    x = 10,066,882.27/3,130.60
  6. Step 6: Final answer
    x = 3,215.64

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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.