Home / 3,652.70-5,040.78-2,080.76

Finding the Fourth Proportional to 3,652.70, 5,040.78 and 2,080.76

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Solution

The fourth proportional to 3,652.70, 5,040.78 and 2,080.76 is: 2,871.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652.70 : 5,040.78 = 2,080.76 : x
  2. Step 2: Convert to fraction form
    3,652.70/5,040.78 = 2,080.76/x
  3. Step 3: Cross multiply
    3,652.70x = 5,040.78 × 2,080.76
  4. Step 4: Simplify right side
    3,652.70x = 10,488,653.39
  5. Step 5: Solve for x
    x = 10,488,653.39/3,652.70
  6. Step 6: Final answer
    x = 2,871.48

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Half scale
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Double 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.