Home / 2,280.90-3,415.80-1,304.04

Finding the Fourth Proportional to 2,280.90, 3,415.80 and 1,304.04

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Solution

The fourth proportional to 2,280.90, 3,415.80 and 1,304.04 is: 1,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.90 : 3,415.80 = 1,304.04 : x
  2. Step 2: Convert to fraction form
    2,280.90/3,415.80 = 1,304.04/x
  3. Step 3: Cross multiply
    2,280.90x = 3,415.80 × 1,304.04
  4. Step 4: Simplify right side
    2,280.90x = 4,454,339.83
  5. Step 5: Solve for x
    x = 4,454,339.83/2,280.90
  6. Step 6: Final answer
    x = 1,952.89

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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.