Home / 2,040.60-3,060.88-579.76

Finding the Fourth Proportional to 2,040.60, 3,060.88 and 579.76

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Solution

The fourth proportional to 2,040.60, 3,060.88 and 579.76 is: 869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.60 : 3,060.88 = 579.76 : x
  2. Step 2: Convert to fraction form
    2,040.60/3,060.88 = 579.76/x
  3. Step 3: Cross multiply
    2,040.60x = 3,060.88 × 579.76
  4. Step 4: Simplify right side
    2,040.60x = 1,774,575.79
  5. Step 5: Solve for x
    x = 1,774,575.79/2,040.60
  6. Step 6: Final answer
    x = 869.63

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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.