Home / 2,229.08-3,346.67-1,255.87

Finding the Fourth Proportional to 2,229.08, 3,346.67 and 1,255.87

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Solution

The fourth proportional to 2,229.08, 3,346.67 and 1,255.87 is: 1,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.08 : 3,346.67 = 1,255.87 : x
  2. Step 2: Convert to fraction form
    2,229.08/3,346.67 = 1,255.87/x
  3. Step 3: Cross multiply
    2,229.08x = 3,346.67 × 1,255.87
  4. Step 4: Simplify right side
    2,229.08x = 4,202,967.81
  5. Step 5: Solve for x
    x = 4,202,967.81/2,229.08
  6. Step 6: Final answer
    x = 1,885.51

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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.