Home / 3,099.12-4,642.20-2,265.63

Finding the Fourth Proportional to 3,099.12, 4,642.20 and 2,265.63

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Solution

The fourth proportional to 3,099.12, 4,642.20 and 2,265.63 is: 3,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.12 : 4,642.20 = 2,265.63 : x
  2. Step 2: Convert to fraction form
    3,099.12/4,642.20 = 2,265.63/x
  3. Step 3: Cross multiply
    3,099.12x = 4,642.20 × 2,265.63
  4. Step 4: Simplify right side
    3,099.12x = 10,517,507.59
  5. Step 5: Solve for x
    x = 10,517,507.59/3,099.12
  6. Step 6: Final answer
    x = 3,393.71

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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.