Home / 3,934.78-5,902.42-1,302.18

Finding the Fourth Proportional to 3,934.78, 5,902.42 and 1,302.18

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Solution

The fourth proportional to 3,934.78, 5,902.42 and 1,302.18 is: 1,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.78 : 5,902.42 = 1,302.18 : x
  2. Step 2: Convert to fraction form
    3,934.78/5,902.42 = 1,302.18/x
  3. Step 3: Cross multiply
    3,934.78x = 5,902.42 × 1,302.18
  4. Step 4: Simplify right side
    3,934.78x = 7,685,990.33
  5. Step 5: Solve for x
    x = 7,685,990.33/3,934.78
  6. Step 6: Final answer
    x = 1,953.35

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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.