Home / 3,394.08-4,680.28-2,684.79

Finding the Fourth Proportional to 3,394.08, 4,680.28 and 2,684.79

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Solution

The fourth proportional to 3,394.08, 4,680.28 and 2,684.79 is: 3,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.08 : 4,680.28 = 2,684.79 : x
  2. Step 2: Convert to fraction form
    3,394.08/4,680.28 = 2,684.79/x
  3. Step 3: Cross multiply
    3,394.08x = 4,680.28 × 2,684.79
  4. Step 4: Simplify right side
    3,394.08x = 12,565,572.30
  5. Step 5: Solve for x
    x = 12,565,572.30/3,394.08
  6. Step 6: Final answer
    x = 3,702.20

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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.