Home / 2,231.02-3,079.17-2,132.59

Finding the Fourth Proportional to 2,231.02, 3,079.17 and 2,132.59

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Solution

The fourth proportional to 2,231.02, 3,079.17 and 2,132.59 is: 2,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.02 : 3,079.17 = 2,132.59 : x
  2. Step 2: Convert to fraction form
    2,231.02/3,079.17 = 2,132.59/x
  3. Step 3: Cross multiply
    2,231.02x = 3,079.17 × 2,132.59
  4. Step 4: Simplify right side
    2,231.02x = 6,566,607.15
  5. Step 5: Solve for x
    x = 6,566,607.15/2,231.02
  6. Step 6: Final answer
    x = 2,943.32

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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.