Home / 2,040.30-3,059.91-579.56

Finding the Fourth Proportional to 2,040.30, 3,059.91 and 579.56

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Solution

The fourth proportional to 2,040.30, 3,059.91 and 579.56 is: 869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.30 : 3,059.91 = 579.56 : x
  2. Step 2: Convert to fraction form
    2,040.30/3,059.91 = 579.56/x
  3. Step 3: Cross multiply
    2,040.30x = 3,059.91 × 579.56
  4. Step 4: Simplify right side
    2,040.30x = 1,773,386.14
  5. Step 5: Solve for x
    x = 1,773,386.14/2,040.30
  6. Step 6: Final answer
    x = 869.18

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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.