Home / 2,040.40-3,060.54-579.70

Finding the Fourth Proportional to 2,040.40, 3,060.54 and 579.70

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Solution

The fourth proportional to 2,040.40, 3,060.54 and 579.70 is: 869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.40 : 3,060.54 = 579.70 : x
  2. Step 2: Convert to fraction form
    2,040.40/3,060.54 = 579.70/x
  3. Step 3: Cross multiply
    2,040.40x = 3,060.54 × 579.70
  4. Step 4: Simplify right side
    2,040.40x = 1,774,195.04
  5. Step 5: Solve for x
    x = 1,774,195.04/2,040.40
  6. Step 6: Final answer
    x = 869.53

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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.