Home / 2,769.24-4,135.91-2,508.72

Finding the Fourth Proportional to 2,769.24, 4,135.91 and 2,508.72

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Solution

The fourth proportional to 2,769.24, 4,135.91 and 2,508.72 is: 3,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.24 : 4,135.91 = 2,508.72 : x
  2. Step 2: Convert to fraction form
    2,769.24/4,135.91 = 2,508.72/x
  3. Step 3: Cross multiply
    2,769.24x = 4,135.91 × 2,508.72
  4. Step 4: Simplify right side
    2,769.24x = 10,375,840.14
  5. Step 5: Solve for x
    x = 10,375,840.14/2,769.24
  6. Step 6: Final answer
    x = 3,746.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.