Home / 2,180.22-3,257.06-1,393.93

Finding the Fourth Proportional to 2,180.22, 3,257.06 and 1,393.93

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Solution

The fourth proportional to 2,180.22, 3,257.06 and 1,393.93 is: 2,082.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.22 : 3,257.06 = 1,393.93 : x
  2. Step 2: Convert to fraction form
    2,180.22/3,257.06 = 1,393.93/x
  3. Step 3: Cross multiply
    2,180.22x = 3,257.06 × 1,393.93
  4. Step 4: Simplify right side
    2,180.22x = 4,540,113.65
  5. Step 5: Solve for x
    x = 4,540,113.65/2,180.22
  6. Step 6: Final answer
    x = 2,082.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.