Home / 2,079.73-2,874.11-1,858.29

Finding the Fourth Proportional to 2,079.73, 2,874.11 and 1,858.29

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Solution

The fourth proportional to 2,079.73, 2,874.11 and 1,858.29 is: 2,568.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.73 : 2,874.11 = 1,858.29 : x
  2. Step 2: Convert to fraction form
    2,079.73/2,874.11 = 1,858.29/x
  3. Step 3: Cross multiply
    2,079.73x = 2,874.11 × 1,858.29
  4. Step 4: Simplify right side
    2,079.73x = 5,340,929.87
  5. Step 5: Solve for x
    x = 5,340,929.87/2,079.73
  6. Step 6: Final answer
    x = 2,568.09

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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.