Home / 3,442.61-5,160.47-1,361.48

Finding the Fourth Proportional to 3,442.61, 5,160.47 and 1,361.48

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Solution

The fourth proportional to 3,442.61, 5,160.47 and 1,361.48 is: 2,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.61 : 5,160.47 = 1,361.48 : x
  2. Step 2: Convert to fraction form
    3,442.61/5,160.47 = 1,361.48/x
  3. Step 3: Cross multiply
    3,442.61x = 5,160.47 × 1,361.48
  4. Step 4: Simplify right side
    3,442.61x = 7,025,869.89
  5. Step 5: Solve for x
    x = 7,025,869.89/3,442.61
  6. Step 6: Final answer
    x = 2,040.86

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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.