Home / 1,182.44-1,778.51-1,070.66

Finding the Fourth Proportional to 1,182.44, 1,778.51 and 1,070.66

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Solution

The fourth proportional to 1,182.44, 1,778.51 and 1,070.66 is: 1,610.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.44 : 1,778.51 = 1,070.66 : x
  2. Step 2: Convert to fraction form
    1,182.44/1,778.51 = 1,070.66/x
  3. Step 3: Cross multiply
    1,182.44x = 1,778.51 × 1,070.66
  4. Step 4: Simplify right side
    1,182.44x = 1,904,165.27
  5. Step 5: Solve for x
    x = 1,904,165.27/1,182.44
  6. Step 6: Final answer
    x = 1,610.38

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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.