Home / 2,797.28-4,195.67-1,316.15

Finding the Fourth Proportional to 2,797.28, 4,195.67 and 1,316.15

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Solution

The fourth proportional to 2,797.28, 4,195.67 and 1,316.15 is: 1,974.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.28 : 4,195.67 = 1,316.15 : x
  2. Step 2: Convert to fraction form
    2,797.28/4,195.67 = 1,316.15/x
  3. Step 3: Cross multiply
    2,797.28x = 4,195.67 × 1,316.15
  4. Step 4: Simplify right side
    2,797.28x = 5,522,110.09
  5. Step 5: Solve for x
    x = 5,522,110.09/2,797.28
  6. Step 6: Final answer
    x = 1,974.10

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1.5x scale

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.