Home / 3,271.68-4,908.45-1,191.63

Finding the Fourth Proportional to 3,271.68, 4,908.45 and 1,191.63

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Solution

The fourth proportional to 3,271.68, 4,908.45 and 1,191.63 is: 1,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.68 : 4,908.45 = 1,191.63 : x
  2. Step 2: Convert to fraction form
    3,271.68/4,908.45 = 1,191.63/x
  3. Step 3: Cross multiply
    3,271.68x = 4,908.45 × 1,191.63
  4. Step 4: Simplify right side
    3,271.68x = 5,849,056.27
  5. Step 5: Solve for x
    x = 5,849,056.27/3,271.68
  6. Step 6: Final answer
    x = 1,787.78

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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.