Home / 2,290.04-3,160.39-1,295.42

Finding the Fourth Proportional to 2,290.04, 3,160.39 and 1,295.42

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Solution

The fourth proportional to 2,290.04, 3,160.39 and 1,295.42 is: 1,787.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.04 : 3,160.39 = 1,295.42 : x
  2. Step 2: Convert to fraction form
    2,290.04/3,160.39 = 1,295.42/x
  3. Step 3: Cross multiply
    2,290.04x = 3,160.39 × 1,295.42
  4. Step 4: Simplify right side
    2,290.04x = 4,094,016.61
  5. Step 5: Solve for x
    x = 4,094,016.61/2,290.04
  6. Step 6: Final answer
    x = 1,787.75

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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.