Home / 2,922.92-4,384.26-1,191.50

Finding the Fourth Proportional to 2,922.92, 4,384.26 and 1,191.50

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Solution

The fourth proportional to 2,922.92, 4,384.26 and 1,191.50 is: 1,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.92 : 4,384.26 = 1,191.50 : x
  2. Step 2: Convert to fraction form
    2,922.92/4,384.26 = 1,191.50/x
  3. Step 3: Cross multiply
    2,922.92x = 4,384.26 × 1,191.50
  4. Step 4: Simplify right side
    2,922.92x = 5,223,845.79
  5. Step 5: Solve for x
    x = 5,223,845.79/2,922.92
  6. Step 6: Final answer
    x = 1,787.20

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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.