Home / 3,291.30-4,938.10-2,057.26

Finding the Fourth Proportional to 3,291.30, 4,938.10 and 2,057.26

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Solution

The fourth proportional to 3,291.30, 4,938.10 and 2,057.26 is: 3,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.30 : 4,938.10 = 2,057.26 : x
  2. Step 2: Convert to fraction form
    3,291.30/4,938.10 = 2,057.26/x
  3. Step 3: Cross multiply
    3,291.30x = 4,938.10 × 2,057.26
  4. Step 4: Simplify right side
    3,291.30x = 10,158,955.61
  5. Step 5: Solve for x
    x = 10,158,955.61/3,291.30
  6. Step 6: Final answer
    x = 3,086.61

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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.