Home / 3,167.60-4,362.28-3,099.76

Finding the Fourth Proportional to 3,167.60, 4,362.28 and 3,099.76

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Solution

The fourth proportional to 3,167.60, 4,362.28 and 3,099.76 is: 4,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.60 : 4,362.28 = 3,099.76 : x
  2. Step 2: Convert to fraction form
    3,167.60/4,362.28 = 3,099.76/x
  3. Step 3: Cross multiply
    3,167.60x = 4,362.28 × 3,099.76
  4. Step 4: Simplify right side
    3,167.60x = 13,522,021.05
  5. Step 5: Solve for x
    x = 13,522,021.05/3,167.60
  6. Step 6: Final answer
    x = 4,268.85

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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.