Home / 3,263.60-4,895.40-3,231.20

Finding the Fourth Proportional to 3,263.60, 4,895.40 and 3,231.20

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Solution

The fourth proportional to 3,263.60, 4,895.40 and 3,231.20 is: 4,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.60 : 4,895.40 = 3,231.20 : x
  2. Step 2: Convert to fraction form
    3,263.60/4,895.40 = 3,231.20/x
  3. Step 3: Cross multiply
    3,263.60x = 4,895.40 × 3,231.20
  4. Step 4: Simplify right side
    3,263.60x = 15,818,016.48
  5. Step 5: Solve for x
    x = 15,818,016.48/3,263.60
  6. Step 6: Final answer
    x = 4,846.80

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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.