Home / 1,531.02-2,294.46-1,097.22

Finding the Fourth Proportional to 1,531.02, 2,294.46 and 1,097.22

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Solution

The fourth proportional to 1,531.02, 2,294.46 and 1,097.22 is: 1,644.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531.02 : 2,294.46 = 1,097.22 : x
  2. Step 2: Convert to fraction form
    1,531.02/2,294.46 = 1,097.22/x
  3. Step 3: Cross multiply
    1,531.02x = 2,294.46 × 1,097.22
  4. Step 4: Simplify right side
    1,531.02x = 2,517,527.40
  5. Step 5: Solve for x
    x = 2,517,527.40/1,531.02
  6. Step 6: Final answer
    x = 1,644.35

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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.