Home / 3,068.19-4,229.15-2,125.35

Finding the Fourth Proportional to 3,068.19, 4,229.15 and 2,125.35

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Solution

The fourth proportional to 3,068.19, 4,229.15 and 2,125.35 is: 2,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.19 : 4,229.15 = 2,125.35 : x
  2. Step 2: Convert to fraction form
    3,068.19/4,229.15 = 2,125.35/x
  3. Step 3: Cross multiply
    3,068.19x = 4,229.15 × 2,125.35
  4. Step 4: Simplify right side
    3,068.19x = 8,988,413.33
  5. Step 5: Solve for x
    x = 8,988,413.33/3,068.19
  6. Step 6: Final answer
    x = 2,929.55

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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.