Home / 4,080.87-5,630.98-2,486.69

Finding the Fourth Proportional to 4,080.87, 5,630.98 and 2,486.69

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Solution

The fourth proportional to 4,080.87, 5,630.98 and 2,486.69 is: 3,431.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.87 : 5,630.98 = 2,486.69 : x
  2. Step 2: Convert to fraction form
    4,080.87/5,630.98 = 2,486.69/x
  3. Step 3: Cross multiply
    4,080.87x = 5,630.98 × 2,486.69
  4. Step 4: Simplify right side
    4,080.87x = 14,002,501.66
  5. Step 5: Solve for x
    x = 14,002,501.66/4,080.87
  6. Step 6: Final answer
    x = 3,431.25

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Half scale
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Double scale
Find fourth proportional to 4,081.87, 5,632.36 and 2,487.69
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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.