Home / 2,254.55-3,382.15-694.69

Finding the Fourth Proportional to 2,254.55, 3,382.15 and 694.69

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Solution

The fourth proportional to 2,254.55, 3,382.15 and 694.69 is: 1,042.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.55 : 3,382.15 = 694.69 : x
  2. Step 2: Convert to fraction form
    2,254.55/3,382.15 = 694.69/x
  3. Step 3: Cross multiply
    2,254.55x = 3,382.15 × 694.69
  4. Step 4: Simplify right side
    2,254.55x = 2,349,525.40
  5. Step 5: Solve for x
    x = 2,349,525.40/2,254.55
  6. Step 6: Final answer
    x = 1,042.13

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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.