Home / 3,143.14-4,332.36-2,512.56

Finding the Fourth Proportional to 3,143.14, 4,332.36 and 2,512.56

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Solution

The fourth proportional to 3,143.14, 4,332.36 and 2,512.56 is: 3,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.14 : 4,332.36 = 2,512.56 : x
  2. Step 2: Convert to fraction form
    3,143.14/4,332.36 = 2,512.56/x
  3. Step 3: Cross multiply
    3,143.14x = 4,332.36 × 2,512.56
  4. Step 4: Simplify right side
    3,143.14x = 10,885,314.44
  5. Step 5: Solve for x
    x = 10,885,314.44/3,143.14
  6. Step 6: Final answer
    x = 3,463.20

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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.