Home / 3,442.10-5,160.11-1,361.00

Finding the Fourth Proportional to 3,442.10, 5,160.11 and 1,361.00

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Solution

The fourth proportional to 3,442.10, 5,160.11 and 1,361.00 is: 2,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.10 : 5,160.11 = 1,361.00 : x
  2. Step 2: Convert to fraction form
    3,442.10/5,160.11 = 1,361.00/x
  3. Step 3: Cross multiply
    3,442.10x = 5,160.11 × 1,361.00
  4. Step 4: Simplify right side
    3,442.10x = 7,022,915.81
  5. Step 5: Solve for x
    x = 7,022,915.81/3,442.10
  6. Step 6: Final answer
    x = 2,040.30

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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.