Home / 3,039.12-4,559.40-1,805.13

Finding the Fourth Proportional to 3,039.12, 4,559.40 and 1,805.13

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Solution

The fourth proportional to 3,039.12, 4,559.40 and 1,805.13 is: 2,708.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.12 : 4,559.40 = 1,805.13 : x
  2. Step 2: Convert to fraction form
    3,039.12/4,559.40 = 1,805.13/x
  3. Step 3: Cross multiply
    3,039.12x = 4,559.40 × 1,805.13
  4. Step 4: Simplify right side
    3,039.12x = 8,230,309.72
  5. Step 5: Solve for x
    x = 8,230,309.72/3,039.12
  6. Step 6: Final answer
    x = 2,708.12

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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.