Home / 2,040.42-3,060.20-579.18

Finding the Fourth Proportional to 2,040.42, 3,060.20 and 579.18

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Solution

The fourth proportional to 2,040.42, 3,060.20 and 579.18 is: 868.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.42 : 3,060.20 = 579.18 : x
  2. Step 2: Convert to fraction form
    2,040.42/3,060.20 = 579.18/x
  3. Step 3: Cross multiply
    2,040.42x = 3,060.20 × 579.18
  4. Step 4: Simplify right side
    2,040.42x = 1,772,406.64
  5. Step 5: Solve for x
    x = 1,772,406.64/2,040.42
  6. Step 6: Final answer
    x = 868.65

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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.