Home / 2,979.17-4,469.16-1,031.52

Finding the Fourth Proportional to 2,979.17, 4,469.16 and 1,031.52

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Solution

The fourth proportional to 2,979.17, 4,469.16 and 1,031.52 is: 1,547.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.17 : 4,469.16 = 1,031.52 : x
  2. Step 2: Convert to fraction form
    2,979.17/4,469.16 = 1,031.52/x
  3. Step 3: Cross multiply
    2,979.17x = 4,469.16 × 1,031.52
  4. Step 4: Simplify right side
    2,979.17x = 4,610,027.92
  5. Step 5: Solve for x
    x = 4,610,027.92/2,979.17
  6. Step 6: Final answer
    x = 1,547.42

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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.