Home / 2,038.15-3,057.33-739.57

Finding the Fourth Proportional to 2,038.15, 3,057.33 and 739.57

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Solution

The fourth proportional to 2,038.15, 3,057.33 and 739.57 is: 1,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.15 : 3,057.33 = 739.57 : x
  2. Step 2: Convert to fraction form
    2,038.15/3,057.33 = 739.57/x
  3. Step 3: Cross multiply
    2,038.15x = 3,057.33 × 739.57
  4. Step 4: Simplify right side
    2,038.15x = 2,261,109.55
  5. Step 5: Solve for x
    x = 2,261,109.55/2,038.15
  6. Step 6: Final answer
    x = 1,109.39

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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.