Home / 2,375.94-3,278.92-1,432.03

Finding the Fourth Proportional to 2,375.94, 3,278.92 and 1,432.03

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Solution

The fourth proportional to 2,375.94, 3,278.92 and 1,432.03 is: 1,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.94 : 3,278.92 = 1,432.03 : x
  2. Step 2: Convert to fraction form
    2,375.94/3,278.92 = 1,432.03/x
  3. Step 3: Cross multiply
    2,375.94x = 3,278.92 × 1,432.03
  4. Step 4: Simplify right side
    2,375.94x = 4,695,511.81
  5. Step 5: Solve for x
    x = 4,695,511.81/2,375.94
  6. Step 6: Final answer
    x = 1,976.28

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1.5x scale

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.