Home / 2,289.32-3,432.46-1,179.42

Finding the Fourth Proportional to 2,289.32, 3,432.46 and 1,179.42

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Solution

The fourth proportional to 2,289.32, 3,432.46 and 1,179.42 is: 1,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.32 : 3,432.46 = 1,179.42 : x
  2. Step 2: Convert to fraction form
    2,289.32/3,432.46 = 1,179.42/x
  3. Step 3: Cross multiply
    2,289.32x = 3,432.46 × 1,179.42
  4. Step 4: Simplify right side
    2,289.32x = 4,048,311.97
  5. Step 5: Solve for x
    x = 4,048,311.97/2,289.32
  6. Step 6: Final answer
    x = 1,768.35

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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.