Home / 2,724.03-3,761.37-1,780.65

Finding the Fourth Proportional to 2,724.03, 3,761.37 and 1,780.65

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Solution

The fourth proportional to 2,724.03, 3,761.37 and 1,780.65 is: 2,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.03 : 3,761.37 = 1,780.65 : x
  2. Step 2: Convert to fraction form
    2,724.03/3,761.37 = 1,780.65/x
  3. Step 3: Cross multiply
    2,724.03x = 3,761.37 × 1,780.65
  4. Step 4: Simplify right side
    2,724.03x = 6,697,683.49
  5. Step 5: Solve for x
    x = 6,697,683.49/2,724.03
  6. Step 6: Final answer
    x = 2,458.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.