Home / 3,741.48-5,612.04-1,108.80

Finding the Fourth Proportional to 3,741.48, 5,612.04 and 1,108.80

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Solution

The fourth proportional to 3,741.48, 5,612.04 and 1,108.80 is: 1,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,741.48 : 5,612.04 = 1,108.80 : x
  2. Step 2: Convert to fraction form
    3,741.48/5,612.04 = 1,108.80/x
  3. Step 3: Cross multiply
    3,741.48x = 5,612.04 × 1,108.80
  4. Step 4: Simplify right side
    3,741.48x = 6,222,629.95
  5. Step 5: Solve for x
    x = 6,222,629.95/3,741.48
  6. Step 6: Final answer
    x = 1,663.15

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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.