Home / 2,414.38-3,328.74-1,916.16

Finding the Fourth Proportional to 2,414.38, 3,328.74 and 1,916.16

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Solution

The fourth proportional to 2,414.38, 3,328.74 and 1,916.16 is: 2,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.38 : 3,328.74 = 1,916.16 : x
  2. Step 2: Convert to fraction form
    2,414.38/3,328.74 = 1,916.16/x
  3. Step 3: Cross multiply
    2,414.38x = 3,328.74 × 1,916.16
  4. Step 4: Simplify right side
    2,414.38x = 6,378,398.44
  5. Step 5: Solve for x
    x = 6,378,398.44/2,414.38
  6. Step 6: Final answer
    x = 2,641.84

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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.