Home / 2,371.43-3,557.15-1,276.31

Finding the Fourth Proportional to 2,371.43, 3,557.15 and 1,276.31

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Solution

The fourth proportional to 2,371.43, 3,557.15 and 1,276.31 is: 1,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.43 : 3,557.15 = 1,276.31 : x
  2. Step 2: Convert to fraction form
    2,371.43/3,557.15 = 1,276.31/x
  3. Step 3: Cross multiply
    2,371.43x = 3,557.15 × 1,276.31
  4. Step 4: Simplify right side
    2,371.43x = 4,540,001.95
  5. Step 5: Solve for x
    x = 4,540,001.95/2,371.43
  6. Step 6: Final answer
    x = 1,914.46

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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.