Home / 2,289.62-3,432.03-1,192.82

Finding the Fourth Proportional to 2,289.62, 3,432.03 and 1,192.82

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Solution

The fourth proportional to 2,289.62, 3,432.03 and 1,192.82 is: 1,787.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.62 : 3,432.03 = 1,192.82 : x
  2. Step 2: Convert to fraction form
    2,289.62/3,432.03 = 1,192.82/x
  3. Step 3: Cross multiply
    2,289.62x = 3,432.03 × 1,192.82
  4. Step 4: Simplify right side
    2,289.62x = 4,093,794.02
  5. Step 5: Solve for x
    x = 4,093,794.02/2,289.62
  6. Step 6: Final answer
    x = 1,787.98

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1.5x scale

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.