Home / 2,316.57-3,197.09-1,372.66

Finding the Fourth Proportional to 2,316.57, 3,197.09 and 1,372.66

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Solution

The fourth proportional to 2,316.57, 3,197.09 and 1,372.66 is: 1,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.57 : 3,197.09 = 1,372.66 : x
  2. Step 2: Convert to fraction form
    2,316.57/3,197.09 = 1,372.66/x
  3. Step 3: Cross multiply
    2,316.57x = 3,197.09 × 1,372.66
  4. Step 4: Simplify right side
    2,316.57x = 4,388,517.56
  5. Step 5: Solve for x
    x = 4,388,517.56/2,316.57
  6. Step 6: Final answer
    x = 1,894.40

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1.5x scale

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.