Home / 3,860.33-5,323.35-3,433.61

Finding the Fourth Proportional to 3,860.33, 5,323.35 and 3,433.61

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Solution

The fourth proportional to 3,860.33, 5,323.35 and 3,433.61 is: 4,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.33 : 5,323.35 = 3,433.61 : x
  2. Step 2: Convert to fraction form
    3,860.33/5,323.35 = 3,433.61/x
  3. Step 3: Cross multiply
    3,860.33x = 5,323.35 × 3,433.61
  4. Step 4: Simplify right side
    3,860.33x = 18,278,307.79
  5. Step 5: Solve for x
    x = 18,278,307.79/3,860.33
  6. Step 6: Final answer
    x = 4,734.91

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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.