Home / 3,142.02-4,336-1,744.76

Finding the Fourth Proportional to 3,142.02, 4,336 and 1,744.76

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Solution

The fourth proportional to 3,142.02, 4,336 and 1,744.76 is: 2,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.02 : 4,336 = 1,744.76 : x
  2. Step 2: Convert to fraction form
    3,142.02/4,336 = 1,744.76/x
  3. Step 3: Cross multiply
    3,142.02x = 4,336 × 1,744.76
  4. Step 4: Simplify right side
    3,142.02x = 7,565,279.36
  5. Step 5: Solve for x
    x = 7,565,279.36/3,142.02
  6. Step 6: Final answer
    x = 2,407.78

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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.