Home / 4,069.20-5,616.24-2,390.76

Finding the Fourth Proportional to 4,069.20, 5,616.24 and 2,390.76

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Solution

The fourth proportional to 4,069.20, 5,616.24 and 2,390.76 is: 3,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.20 : 5,616.24 = 2,390.76 : x
  2. Step 2: Convert to fraction form
    4,069.20/5,616.24 = 2,390.76/x
  3. Step 3: Cross multiply
    4,069.20x = 5,616.24 × 2,390.76
  4. Step 4: Simplify right side
    4,069.20x = 13,427,081.94
  5. Step 5: Solve for x
    x = 13,427,081.94/4,069.20
  6. Step 6: Final answer
    x = 3,299.69

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Half scale
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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.