Home / 3,142.02-4,711.50-1,292.64

Finding the Fourth Proportional to 3,142.02, 4,711.50 and 1,292.64

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Solution

The fourth proportional to 3,142.02, 4,711.50 and 1,292.64 is: 1,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.02 : 4,711.50 = 1,292.64 : x
  2. Step 2: Convert to fraction form
    3,142.02/4,711.50 = 1,292.64/x
  3. Step 3: Cross multiply
    3,142.02x = 4,711.50 × 1,292.64
  4. Step 4: Simplify right side
    3,142.02x = 6,090,273.36
  5. Step 5: Solve for x
    x = 6,090,273.36/3,142.02
  6. Step 6: Final answer
    x = 1,938.33

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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.