Home / 2,765.24-4,148.17-1,010.78

Finding the Fourth Proportional to 2,765.24, 4,148.17 and 1,010.78

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Solution

The fourth proportional to 2,765.24, 4,148.17 and 1,010.78 is: 1,516.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.24 : 4,148.17 = 1,010.78 : x
  2. Step 2: Convert to fraction form
    2,765.24/4,148.17 = 1,010.78/x
  3. Step 3: Cross multiply
    2,765.24x = 4,148.17 × 1,010.78
  4. Step 4: Simplify right side
    2,765.24x = 4,192,887.27
  5. Step 5: Solve for x
    x = 4,192,887.27/2,765.24
  6. Step 6: Final answer
    x = 1,516.28

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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.