Home / 2,680.18-4,020.54-924.95

Finding the Fourth Proportional to 2,680.18, 4,020.54 and 924.95

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Solution

The fourth proportional to 2,680.18, 4,020.54 and 924.95 is: 1,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.18 : 4,020.54 = 924.95 : x
  2. Step 2: Convert to fraction form
    2,680.18/4,020.54 = 924.95/x
  3. Step 3: Cross multiply
    2,680.18x = 4,020.54 × 924.95
  4. Step 4: Simplify right side
    2,680.18x = 3,718,798.47
  5. Step 5: Solve for x
    x = 3,718,798.47/2,680.18
  6. Step 6: Final answer
    x = 1,387.52

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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.