Home / 2,376.87-3,279.96-1,432.61

Finding the Fourth Proportional to 2,376.87, 3,279.96 and 1,432.61

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Solution

The fourth proportional to 2,376.87, 3,279.96 and 1,432.61 is: 1,976.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.87 : 3,279.96 = 1,432.61 : x
  2. Step 2: Convert to fraction form
    2,376.87/3,279.96 = 1,432.61/x
  3. Step 3: Cross multiply
    2,376.87x = 3,279.96 × 1,432.61
  4. Step 4: Simplify right side
    2,376.87x = 4,698,903.50
  5. Step 5: Solve for x
    x = 4,698,903.50/2,376.87
  6. Step 6: Final answer
    x = 1,976.93

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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.