Home / 2,618.24-3,946.19-2,257.38

Finding the Fourth Proportional to 2,618.24, 3,946.19 and 2,257.38

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Solution

The fourth proportional to 2,618.24, 3,946.19 and 2,257.38 is: 3,402.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.24 : 3,946.19 = 2,257.38 : x
  2. Step 2: Convert to fraction form
    2,618.24/3,946.19 = 2,257.38/x
  3. Step 3: Cross multiply
    2,618.24x = 3,946.19 × 2,257.38
  4. Step 4: Simplify right side
    2,618.24x = 8,908,039.10
  5. Step 5: Solve for x
    x = 8,908,039.10/2,618.24
  6. Step 6: Final answer
    x = 3,402.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.