Home / 2,944.08-4,415.16-1,213.20

Finding the Fourth Proportional to 2,944.08, 4,415.16 and 1,213.20

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Solution

The fourth proportional to 2,944.08, 4,415.16 and 1,213.20 is: 1,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,944.08 : 4,415.16 = 1,213.20 : x
  2. Step 2: Convert to fraction form
    2,944.08/4,415.16 = 1,213.20/x
  3. Step 3: Cross multiply
    2,944.08x = 4,415.16 × 1,213.20
  4. Step 4: Simplify right side
    2,944.08x = 5,356,472.11
  5. Step 5: Solve for x
    x = 5,356,472.11/2,944.08
  6. Step 6: Final answer
    x = 1,819.40

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Similar ratio
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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.