Home / 1,712.28-2,573.77-1,131.02

Finding the Fourth Proportional to 1,712.28, 2,573.77 and 1,131.02

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Solution

The fourth proportional to 1,712.28, 2,573.77 and 1,131.02 is: 1,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.28 : 2,573.77 = 1,131.02 : x
  2. Step 2: Convert to fraction form
    1,712.28/2,573.77 = 1,131.02/x
  3. Step 3: Cross multiply
    1,712.28x = 2,573.77 × 1,131.02
  4. Step 4: Simplify right side
    1,712.28x = 2,910,985.35
  5. Step 5: Solve for x
    x = 2,910,985.35/1,712.28
  6. Step 6: Final answer
    x = 1,700.06

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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.