Home / 3,245.60-4,477.22-2,458.28

Finding the Fourth Proportional to 3,245.60, 4,477.22 and 2,458.28

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Solution

The fourth proportional to 3,245.60, 4,477.22 and 2,458.28 is: 3,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.60 : 4,477.22 = 2,458.28 : x
  2. Step 2: Convert to fraction form
    3,245.60/4,477.22 = 2,458.28/x
  3. Step 3: Cross multiply
    3,245.60x = 4,477.22 × 2,458.28
  4. Step 4: Simplify right side
    3,245.60x = 11,006,260.38
  5. Step 5: Solve for x
    x = 11,006,260.38/3,245.60
  6. Step 6: Final answer
    x = 3,391.13

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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.