Home / 2,317.06-3,197.91-1,372.87

Finding the Fourth Proportional to 2,317.06, 3,197.91 and 1,372.87

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Solution

The fourth proportional to 2,317.06, 3,197.91 and 1,372.87 is: 1,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.06 : 3,197.91 = 1,372.87 : x
  2. Step 2: Convert to fraction form
    2,317.06/3,197.91 = 1,372.87/x
  3. Step 3: Cross multiply
    2,317.06x = 3,197.91 × 1,372.87
  4. Step 4: Simplify right side
    2,317.06x = 4,390,314.70
  5. Step 5: Solve for x
    x = 4,390,314.70/2,317.06
  6. Step 6: Final answer
    x = 1,894.78

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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.