Home / 3,079.80-4,619.70-2,423.70

Finding the Fourth Proportional to 3,079.80, 4,619.70 and 2,423.70

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Solution

The fourth proportional to 3,079.80, 4,619.70 and 2,423.70 is: 3,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.80 : 4,619.70 = 2,423.70 : x
  2. Step 2: Convert to fraction form
    3,079.80/4,619.70 = 2,423.70/x
  3. Step 3: Cross multiply
    3,079.80x = 4,619.70 × 2,423.70
  4. Step 4: Simplify right side
    3,079.80x = 11,196,766.89
  5. Step 5: Solve for x
    x = 11,196,766.89/3,079.80
  6. Step 6: Final answer
    x = 3,635.55

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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.