Home / 3,559.41-5,335.31-1,805.70

Finding the Fourth Proportional to 3,559.41, 5,335.31 and 1,805.70

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Solution

The fourth proportional to 3,559.41, 5,335.31 and 1,805.70 is: 2,706.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.41 : 5,335.31 = 1,805.70 : x
  2. Step 2: Convert to fraction form
    3,559.41/5,335.31 = 1,805.70/x
  3. Step 3: Cross multiply
    3,559.41x = 5,335.31 × 1,805.70
  4. Step 4: Simplify right side
    3,559.41x = 9,633,993.79
  5. Step 5: Solve for x
    x = 9,633,993.79/3,559.41
  6. Step 6: Final answer
    x = 2,706.63

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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.