Home / 3,065.31-4,593.90-1,115.64

Finding the Fourth Proportional to 3,065.31, 4,593.90 and 1,115.64

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Solution

The fourth proportional to 3,065.31, 4,593.90 and 1,115.64 is: 1,671.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.31 : 4,593.90 = 1,115.64 : x
  2. Step 2: Convert to fraction form
    3,065.31/4,593.90 = 1,115.64/x
  3. Step 3: Cross multiply
    3,065.31x = 4,593.90 × 1,115.64
  4. Step 4: Simplify right side
    3,065.31x = 5,125,138.60
  5. Step 5: Solve for x
    x = 5,125,138.60/3,065.31
  6. Step 6: Final answer
    x = 1,671.98

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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.