Home / 2,316.38-3,195.96-1,321.34

Finding the Fourth Proportional to 2,316.38, 3,195.96 and 1,321.34

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Solution

The fourth proportional to 2,316.38, 3,195.96 and 1,321.34 is: 1,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.38 : 3,195.96 = 1,321.34 : x
  2. Step 2: Convert to fraction form
    2,316.38/3,195.96 = 1,321.34/x
  3. Step 3: Cross multiply
    2,316.38x = 3,195.96 × 1,321.34
  4. Step 4: Simplify right side
    2,316.38x = 4,222,949.79
  5. Step 5: Solve for x
    x = 4,222,949.79/2,316.38
  6. Step 6: Final answer
    x = 1,823.08

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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.