Home / 2,040.15-3,060.75-579.32

Finding the Fourth Proportional to 2,040.15, 3,060.75 and 579.32

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Solution

The fourth proportional to 2,040.15, 3,060.75 and 579.32 is: 869.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.15 : 3,060.75 = 579.32 : x
  2. Step 2: Convert to fraction form
    2,040.15/3,060.75 = 579.32/x
  3. Step 3: Cross multiply
    2,040.15x = 3,060.75 × 579.32
  4. Step 4: Simplify right side
    2,040.15x = 1,773,152.04
  5. Step 5: Solve for x
    x = 1,773,152.04/2,040.15
  6. Step 6: Final answer
    x = 869.13

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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.