Home / 3,143.28-4,711.53-1,062.75

Finding the Fourth Proportional to 3,143.28, 4,711.53 and 1,062.75

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Solution

The fourth proportional to 3,143.28, 4,711.53 and 1,062.75 is: 1,592.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.28 : 4,711.53 = 1,062.75 : x
  2. Step 2: Convert to fraction form
    3,143.28/4,711.53 = 1,062.75/x
  3. Step 3: Cross multiply
    3,143.28x = 4,711.53 × 1,062.75
  4. Step 4: Simplify right side
    3,143.28x = 5,007,178.51
  5. Step 5: Solve for x
    x = 5,007,178.51/3,143.28
  6. Step 6: Final answer
    x = 1,592.98

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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.