Home / 3,040.48-4,195.62-1,781.36

Finding the Fourth Proportional to 3,040.48, 4,195.62 and 1,781.36

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Solution

The fourth proportional to 3,040.48, 4,195.62 and 1,781.36 is: 2,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.48 : 4,195.62 = 1,781.36 : x
  2. Step 2: Convert to fraction form
    3,040.48/4,195.62 = 1,781.36/x
  3. Step 3: Cross multiply
    3,040.48x = 4,195.62 × 1,781.36
  4. Step 4: Simplify right side
    3,040.48x = 7,473,909.64
  5. Step 5: Solve for x
    x = 7,473,909.64/3,040.48
  6. Step 6: Final answer
    x = 2,458.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.