Home / 3,099.60-4,640.16-2,000.76

Finding the Fourth Proportional to 3,099.60, 4,640.16 and 2,000.76

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Solution

The fourth proportional to 3,099.60, 4,640.16 and 2,000.76 is: 2,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.60 : 4,640.16 = 2,000.76 : x
  2. Step 2: Convert to fraction form
    3,099.60/4,640.16 = 2,000.76/x
  3. Step 3: Cross multiply
    3,099.60x = 4,640.16 × 2,000.76
  4. Step 4: Simplify right side
    3,099.60x = 9,283,846.52
  5. Step 5: Solve for x
    x = 9,283,846.52/3,099.60
  6. Step 6: Final answer
    x = 2,995.18

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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.