Home / 3,785.98-5,672.66-1,319.44

Finding the Fourth Proportional to 3,785.98, 5,672.66 and 1,319.44

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Solution

The fourth proportional to 3,785.98, 5,672.66 and 1,319.44 is: 1,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.98 : 5,672.66 = 1,319.44 : x
  2. Step 2: Convert to fraction form
    3,785.98/5,672.66 = 1,319.44/x
  3. Step 3: Cross multiply
    3,785.98x = 5,672.66 × 1,319.44
  4. Step 4: Simplify right side
    3,785.98x = 7,484,734.51
  5. Step 5: Solve for x
    x = 7,484,734.51/3,785.98
  6. Step 6: Final answer
    x = 1,976.96

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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.