Home / 2,074.38-2,862.01-1,190.02

Finding the Fourth Proportional to 2,074.38, 2,862.01 and 1,190.02

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Solution

The fourth proportional to 2,074.38, 2,862.01 and 1,190.02 is: 1,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.38 : 2,862.01 = 1,190.02 : x
  2. Step 2: Convert to fraction form
    2,074.38/2,862.01 = 1,190.02/x
  3. Step 3: Cross multiply
    2,074.38x = 2,862.01 × 1,190.02
  4. Step 4: Simplify right side
    2,074.38x = 3,405,837.44
  5. Step 5: Solve for x
    x = 3,405,837.44/2,074.38
  6. Step 6: Final answer
    x = 1,641.85

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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.