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Finding the Fourth Proportional to 3,516.78, 4,853.15 and 2,024.15

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Solution

The fourth proportional to 3,516.78, 4,853.15 and 2,024.15 is: 2,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.78 : 4,853.15 = 2,024.15 : x
  2. Step 2: Convert to fraction form
    3,516.78/4,853.15 = 2,024.15/x
  3. Step 3: Cross multiply
    3,516.78x = 4,853.15 × 2,024.15
  4. Step 4: Simplify right side
    3,516.78x = 9,823,504.08
  5. Step 5: Solve for x
    x = 9,823,504.08/3,516.78
  6. Step 6: Final answer
    x = 2,793.32

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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.