Home / 2,975.28-4,456.14-1,876.38

Finding the Fourth Proportional to 2,975.28, 4,456.14 and 1,876.38

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Solution

The fourth proportional to 2,975.28, 4,456.14 and 1,876.38 is: 2,810.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.28 : 4,456.14 = 1,876.38 : x
  2. Step 2: Convert to fraction form
    2,975.28/4,456.14 = 1,876.38/x
  3. Step 3: Cross multiply
    2,975.28x = 4,456.14 × 1,876.38
  4. Step 4: Simplify right side
    2,975.28x = 8,361,411.97
  5. Step 5: Solve for x
    x = 8,361,411.97/2,975.28
  6. Step 6: Final answer
    x = 2,810.29

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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.