Home / 3,191.67-4,787.46-1,000.41

Finding the Fourth Proportional to 3,191.67, 4,787.46 and 1,000.41

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Solution

The fourth proportional to 3,191.67, 4,787.46 and 1,000.41 is: 1,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.67 : 4,787.46 = 1,000.41 : x
  2. Step 2: Convert to fraction form
    3,191.67/4,787.46 = 1,000.41/x
  3. Step 3: Cross multiply
    3,191.67x = 4,787.46 × 1,000.41
  4. Step 4: Simplify right side
    3,191.67x = 4,789,422.86
  5. Step 5: Solve for x
    x = 4,789,422.86/3,191.67
  6. Step 6: Final answer
    x = 1,500.60

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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.