Home / 3,377.97-5,065.65-1,621.86

Finding the Fourth Proportional to 3,377.97, 5,065.65 and 1,621.86

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Solution

The fourth proportional to 3,377.97, 5,065.65 and 1,621.86 is: 2,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.97 : 5,065.65 = 1,621.86 : x
  2. Step 2: Convert to fraction form
    3,377.97/5,065.65 = 1,621.86/x
  3. Step 3: Cross multiply
    3,377.97x = 5,065.65 × 1,621.86
  4. Step 4: Simplify right side
    3,377.97x = 8,215,756.11
  5. Step 5: Solve for x
    x = 8,215,756.11/3,377.97
  6. Step 6: Final answer
    x = 2,432.16

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1.5x scale

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.