Home / 2,376.95-3,279.39-1,432.39

Finding the Fourth Proportional to 2,376.95, 3,279.39 and 1,432.39

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Solution

The fourth proportional to 2,376.95, 3,279.39 and 1,432.39 is: 1,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.95 : 3,279.39 = 1,432.39 : x
  2. Step 2: Convert to fraction form
    2,376.95/3,279.39 = 1,432.39/x
  3. Step 3: Cross multiply
    2,376.95x = 3,279.39 × 1,432.39
  4. Step 4: Simplify right side
    2,376.95x = 4,697,358.02
  5. Step 5: Solve for x
    x = 4,697,358.02/2,376.95
  6. Step 6: Final answer
    x = 1,976.21

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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.