Home / 2,263.20-3,395.28-964.80

Finding the Fourth Proportional to 2,263.20, 3,395.28 and 964.80

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Solution

The fourth proportional to 2,263.20, 3,395.28 and 964.80 is: 1,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.20 : 3,395.28 = 964.80 : x
  2. Step 2: Convert to fraction form
    2,263.20/3,395.28 = 964.80/x
  3. Step 3: Cross multiply
    2,263.20x = 3,395.28 × 964.80
  4. Step 4: Simplify right side
    2,263.20x = 3,275,766.14
  5. Step 5: Solve for x
    x = 3,275,766.14/2,263.20
  6. Step 6: Final answer
    x = 1,447.40

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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.