Home / 2,427.61-3,641.45-696.25

Finding the Fourth Proportional to 2,427.61, 3,641.45 and 696.25

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Solution

The fourth proportional to 2,427.61, 3,641.45 and 696.25 is: 1,044.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.61 : 3,641.45 = 696.25 : x
  2. Step 2: Convert to fraction form
    2,427.61/3,641.45 = 696.25/x
  3. Step 3: Cross multiply
    2,427.61x = 3,641.45 × 696.25
  4. Step 4: Simplify right side
    2,427.61x = 2,535,359.56
  5. Step 5: Solve for x
    x = 2,535,359.56/2,427.61
  6. Step 6: Final answer
    x = 1,044.39

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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.