Home / 3,029.32-4,543.85-949.28

Finding the Fourth Proportional to 3,029.32, 4,543.85 and 949.28

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Solution

The fourth proportional to 3,029.32, 4,543.85 and 949.28 is: 1,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.32 : 4,543.85 = 949.28 : x
  2. Step 2: Convert to fraction form
    3,029.32/4,543.85 = 949.28/x
  3. Step 3: Cross multiply
    3,029.32x = 4,543.85 × 949.28
  4. Step 4: Simplify right side
    3,029.32x = 4,313,377.03
  5. Step 5: Solve for x
    x = 4,313,377.03/3,029.32
  6. Step 6: Final answer
    x = 1,423.88

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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.