Home / 3,255.04-4,882.28-914.86

Finding the Fourth Proportional to 3,255.04, 4,882.28 and 914.86

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Solution

The fourth proportional to 3,255.04, 4,882.28 and 914.86 is: 1,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.04 : 4,882.28 = 914.86 : x
  2. Step 2: Convert to fraction form
    3,255.04/4,882.28 = 914.86/x
  3. Step 3: Cross multiply
    3,255.04x = 4,882.28 × 914.86
  4. Step 4: Simplify right side
    3,255.04x = 4,466,602.68
  5. Step 5: Solve for x
    x = 4,466,602.68/3,255.04
  6. Step 6: Final answer
    x = 1,372.21

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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.