Home / 2,979.18-4,467.56-1,517.54

Finding the Fourth Proportional to 2,979.18, 4,467.56 and 1,517.54

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Solution

The fourth proportional to 2,979.18, 4,467.56 and 1,517.54 is: 2,275.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.18 : 4,467.56 = 1,517.54 : x
  2. Step 2: Convert to fraction form
    2,979.18/4,467.56 = 1,517.54/x
  3. Step 3: Cross multiply
    2,979.18x = 4,467.56 × 1,517.54
  4. Step 4: Simplify right side
    2,979.18x = 6,779,671.08
  5. Step 5: Solve for x
    x = 6,779,671.08/2,979.18
  6. Step 6: Final answer
    x = 2,275.68

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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.