Home / 2,193.38-3,291.44-1,314.93

Finding the Fourth Proportional to 2,193.38, 3,291.44 and 1,314.93

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Solution

The fourth proportional to 2,193.38, 3,291.44 and 1,314.93 is: 1,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.38 : 3,291.44 = 1,314.93 : x
  2. Step 2: Convert to fraction form
    2,193.38/3,291.44 = 1,314.93/x
  3. Step 3: Cross multiply
    2,193.38x = 3,291.44 × 1,314.93
  4. Step 4: Simplify right side
    2,193.38x = 4,328,018.97
  5. Step 5: Solve for x
    x = 4,328,018.97/2,193.38
  6. Step 6: Final answer
    x = 1,973.22

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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.