Home / 3,454.30-5,179.02-1,603.45

Finding the Fourth Proportional to 3,454.30, 5,179.02 and 1,603.45

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Solution

The fourth proportional to 3,454.30, 5,179.02 and 1,603.45 is: 2,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.30 : 5,179.02 = 1,603.45 : x
  2. Step 2: Convert to fraction form
    3,454.30/5,179.02 = 1,603.45/x
  3. Step 3: Cross multiply
    3,454.30x = 5,179.02 × 1,603.45
  4. Step 4: Simplify right side
    3,454.30x = 8,304,299.62
  5. Step 5: Solve for x
    x = 8,304,299.62/3,454.30
  6. Step 6: Final answer
    x = 2,404.05

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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.