Home / 1,771.16-2,650.44-1,077.56

Finding the Fourth Proportional to 1,771.16, 2,650.44 and 1,077.56

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Solution

The fourth proportional to 1,771.16, 2,650.44 and 1,077.56 is: 1,612.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.16 : 2,650.44 = 1,077.56 : x
  2. Step 2: Convert to fraction form
    1,771.16/2,650.44 = 1,077.56/x
  3. Step 3: Cross multiply
    1,771.16x = 2,650.44 × 1,077.56
  4. Step 4: Simplify right side
    1,771.16x = 2,856,008.13
  5. Step 5: Solve for x
    x = 2,856,008.13/1,771.16
  6. Step 6: Final answer
    x = 1,612.51

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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.