Home / 2,040.67-2,815.68-1,201.15

Finding the Fourth Proportional to 2,040.67, 2,815.68 and 1,201.15

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Solution

The fourth proportional to 2,040.67, 2,815.68 and 1,201.15 is: 1,657.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.67 : 2,815.68 = 1,201.15 : x
  2. Step 2: Convert to fraction form
    2,040.67/2,815.68 = 1,201.15/x
  3. Step 3: Cross multiply
    2,040.67x = 2,815.68 × 1,201.15
  4. Step 4: Simplify right side
    2,040.67x = 3,382,054.03
  5. Step 5: Solve for x
    x = 3,382,054.03/2,040.67
  6. Step 6: Final answer
    x = 1,657.33

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.