Home / 3,029.90-4,545.56-949.78

Finding the Fourth Proportional to 3,029.90, 4,545.56 and 949.78

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Solution

The fourth proportional to 3,029.90, 4,545.56 and 949.78 is: 1,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.90 : 4,545.56 = 949.78 : x
  2. Step 2: Convert to fraction form
    3,029.90/4,545.56 = 949.78/x
  3. Step 3: Cross multiply
    3,029.90x = 4,545.56 × 949.78
  4. Step 4: Simplify right side
    3,029.90x = 4,317,272.99
  5. Step 5: Solve for x
    x = 4,317,272.99/3,029.90
  6. Step 6: Final answer
    x = 1,424.89

Related Problems

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Similar ratio
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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.