Home / 3,103.31-4,282.62-1,777.13

Finding the Fourth Proportional to 3,103.31, 4,282.62 and 1,777.13

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Solution

The fourth proportional to 3,103.31, 4,282.62 and 1,777.13 is: 2,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.31 : 4,282.62 = 1,777.13 : x
  2. Step 2: Convert to fraction form
    3,103.31/4,282.62 = 1,777.13/x
  3. Step 3: Cross multiply
    3,103.31x = 4,282.62 × 1,777.13
  4. Step 4: Simplify right side
    3,103.31x = 7,610,772.48
  5. Step 5: Solve for x
    x = 7,610,772.48/3,103.31
  6. Step 6: Final answer
    x = 2,452.47

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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.