Home / 3,585.72-4,948.05-2,013.78

Finding the Fourth Proportional to 3,585.72, 4,948.05 and 2,013.78

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Solution

The fourth proportional to 3,585.72, 4,948.05 and 2,013.78 is: 2,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.72 : 4,948.05 = 2,013.78 : x
  2. Step 2: Convert to fraction form
    3,585.72/4,948.05 = 2,013.78/x
  3. Step 3: Cross multiply
    3,585.72x = 4,948.05 × 2,013.78
  4. Step 4: Simplify right side
    3,585.72x = 9,964,284.13
  5. Step 5: Solve for x
    x = 9,964,284.13/3,585.72
  6. Step 6: Final answer
    x = 2,778.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.