Home / 3,316.20-4,974.30-3,013.80

Finding the Fourth Proportional to 3,316.20, 4,974.30 and 3,013.80

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Solution

The fourth proportional to 3,316.20, 4,974.30 and 3,013.80 is: 4,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.20 : 4,974.30 = 3,013.80 : x
  2. Step 2: Convert to fraction form
    3,316.20/4,974.30 = 3,013.80/x
  3. Step 3: Cross multiply
    3,316.20x = 4,974.30 × 3,013.80
  4. Step 4: Simplify right side
    3,316.20x = 14,991,545.34
  5. Step 5: Solve for x
    x = 14,991,545.34/3,316.20
  6. Step 6: Final answer
    x = 4,520.70

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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.