Home / 3,231.40-4,847.10-3,061.30

Finding the Fourth Proportional to 3,231.40, 4,847.10 and 3,061.30

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Solution

The fourth proportional to 3,231.40, 4,847.10 and 3,061.30 is: 4,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.40 : 4,847.10 = 3,061.30 : x
  2. Step 2: Convert to fraction form
    3,231.40/4,847.10 = 3,061.30/x
  3. Step 3: Cross multiply
    3,231.40x = 4,847.10 × 3,061.30
  4. Step 4: Simplify right side
    3,231.40x = 14,838,427.23
  5. Step 5: Solve for x
    x = 14,838,427.23/3,231.40
  6. Step 6: Final answer
    x = 4,591.95

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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.