Home / 2,371.78-3,272.70-1,487.26

Finding the Fourth Proportional to 2,371.78, 3,272.70 and 1,487.26

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Solution

The fourth proportional to 2,371.78, 3,272.70 and 1,487.26 is: 2,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.78 : 3,272.70 = 1,487.26 : x
  2. Step 2: Convert to fraction form
    2,371.78/3,272.70 = 1,487.26/x
  3. Step 3: Cross multiply
    2,371.78x = 3,272.70 × 1,487.26
  4. Step 4: Simplify right side
    2,371.78x = 4,867,355.80
  5. Step 5: Solve for x
    x = 4,867,355.80/2,371.78
  6. Step 6: Final answer
    x = 2,052.20

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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.