Home / 2,839.71-4,257.30-1,358.16

Finding the Fourth Proportional to 2,839.71, 4,257.30 and 1,358.16

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Solution

The fourth proportional to 2,839.71, 4,257.30 and 1,358.16 is: 2,036.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.71 : 4,257.30 = 1,358.16 : x
  2. Step 2: Convert to fraction form
    2,839.71/4,257.30 = 1,358.16/x
  3. Step 3: Cross multiply
    2,839.71x = 4,257.30 × 1,358.16
  4. Step 4: Simplify right side
    2,839.71x = 5,782,094.57
  5. Step 5: Solve for x
    x = 5,782,094.57/2,839.71
  6. Step 6: Final answer
    x = 2,036.16

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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.