Home / 2,316.92-3,197.35-1,268.98

Finding the Fourth Proportional to 2,316.92, 3,197.35 and 1,268.98

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Solution

The fourth proportional to 2,316.92, 3,197.35 and 1,268.98 is: 1,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.92 : 3,197.35 = 1,268.98 : x
  2. Step 2: Convert to fraction form
    2,316.92/3,197.35 = 1,268.98/x
  3. Step 3: Cross multiply
    2,316.92x = 3,197.35 × 1,268.98
  4. Step 4: Simplify right side
    2,316.92x = 4,057,373.20
  5. Step 5: Solve for x
    x = 4,057,373.20/2,316.92
  6. Step 6: Final answer
    x = 1,751.19

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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.