Home / 2,548.08-3,821.76-1,249.20

Finding the Fourth Proportional to 2,548.08, 3,821.76 and 1,249.20

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Solution

The fourth proportional to 2,548.08, 3,821.76 and 1,249.20 is: 1,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.08 : 3,821.76 = 1,249.20 : x
  2. Step 2: Convert to fraction form
    2,548.08/3,821.76 = 1,249.20/x
  3. Step 3: Cross multiply
    2,548.08x = 3,821.76 × 1,249.20
  4. Step 4: Simplify right side
    2,548.08x = 4,774,142.59
  5. Step 5: Solve for x
    x = 4,774,142.59/2,548.08
  6. Step 6: Final answer
    x = 1,873.62

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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.