Home / 4,068.20-5,613.90-2,299.70

Finding the Fourth Proportional to 4,068.20, 5,613.90 and 2,299.70

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Solution

The fourth proportional to 4,068.20, 5,613.90 and 2,299.70 is: 3,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,068.20 : 5,613.90 = 2,299.70 : x
  2. Step 2: Convert to fraction form
    4,068.20/5,613.90 = 2,299.70/x
  3. Step 3: Cross multiply
    4,068.20x = 5,613.90 × 2,299.70
  4. Step 4: Simplify right side
    4,068.20x = 12,910,285.83
  5. Step 5: Solve for x
    x = 12,910,285.83/4,068.20
  6. Step 6: Final answer
    x = 3,173.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.