Home / 2,038.26-3,057.60-1,115.16

Finding the Fourth Proportional to 2,038.26, 3,057.60 and 1,115.16

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Solution

The fourth proportional to 2,038.26, 3,057.60 and 1,115.16 is: 1,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.26 : 3,057.60 = 1,115.16 : x
  2. Step 2: Convert to fraction form
    2,038.26/3,057.60 = 1,115.16/x
  3. Step 3: Cross multiply
    2,038.26x = 3,057.60 × 1,115.16
  4. Step 4: Simplify right side
    2,038.26x = 3,409,713.22
  5. Step 5: Solve for x
    x = 3,409,713.22/2,038.26
  6. Step 6: Final answer
    x = 1,672.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.