Home / 2,916.38-4,026.12-2,268.18

Finding the Fourth Proportional to 2,916.38, 4,026.12 and 2,268.18

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Solution

The fourth proportional to 2,916.38, 4,026.12 and 2,268.18 is: 3,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.38 : 4,026.12 = 2,268.18 : x
  2. Step 2: Convert to fraction form
    2,916.38/4,026.12 = 2,268.18/x
  3. Step 3: Cross multiply
    2,916.38x = 4,026.12 × 2,268.18
  4. Step 4: Simplify right side
    2,916.38x = 9,131,964.86
  5. Step 5: Solve for x
    x = 9,131,964.86/2,916.38
  6. Step 6: Final answer
    x = 3,131.27

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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.