Home / 3,222.50-4,449.20-2,475.13

Finding the Fourth Proportional to 3,222.50, 4,449.20 and 2,475.13

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Solution

The fourth proportional to 3,222.50, 4,449.20 and 2,475.13 is: 3,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.50 : 4,449.20 = 2,475.13 : x
  2. Step 2: Convert to fraction form
    3,222.50/4,449.20 = 2,475.13/x
  3. Step 3: Cross multiply
    3,222.50x = 4,449.20 × 2,475.13
  4. Step 4: Simplify right side
    3,222.50x = 11,012,313.77
  5. Step 5: Solve for x
    x = 11,012,313.77/3,222.50
  6. Step 6: Final answer
    x = 3,417.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.