Home / 3,039.92-4,560.55-1,191.20

Finding the Fourth Proportional to 3,039.92, 4,560.55 and 1,191.20

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Solution

The fourth proportional to 3,039.92, 4,560.55 and 1,191.20 is: 1,787.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.92 : 4,560.55 = 1,191.20 : x
  2. Step 2: Convert to fraction form
    3,039.92/4,560.55 = 1,191.20/x
  3. Step 3: Cross multiply
    3,039.92x = 4,560.55 × 1,191.20
  4. Step 4: Simplify right side
    3,039.92x = 5,432,535.58
  5. Step 5: Solve for x
    x = 5,432,535.58/3,039.92
  6. Step 6: Final answer
    x = 1,787.07

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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.