Home / 1,232.49-1,849.23-615.90

Finding the Fourth Proportional to 1,232.49, 1,849.23 and 615.90

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Solution

The fourth proportional to 1,232.49, 1,849.23 and 615.90 is: 924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.49 : 1,849.23 = 615.90 : x
  2. Step 2: Convert to fraction form
    1,232.49/1,849.23 = 615.90/x
  3. Step 3: Cross multiply
    1,232.49x = 1,849.23 × 615.90
  4. Step 4: Simplify right side
    1,232.49x = 1,138,940.76
  5. Step 5: Solve for x
    x = 1,138,940.76/1,232.49
  6. Step 6: Final answer
    x = 924.10

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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.