Home / 2,979.98-4,470.17-1,518.74

Finding the Fourth Proportional to 2,979.98, 4,470.17 and 1,518.74

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Solution

The fourth proportional to 2,979.98, 4,470.17 and 1,518.74 is: 2,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.98 : 4,470.17 = 1,518.74 : x
  2. Step 2: Convert to fraction form
    2,979.98/4,470.17 = 1,518.74/x
  3. Step 3: Cross multiply
    2,979.98x = 4,470.17 × 1,518.74
  4. Step 4: Simplify right side
    2,979.98x = 6,788,996.04
  5. Step 5: Solve for x
    x = 6,788,996.04/2,979.98
  6. Step 6: Final answer
    x = 2,278.21

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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.