Home / 3,407.16-4,705.38-2,934.12

Finding the Fourth Proportional to 3,407.16, 4,705.38 and 2,934.12

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Solution

The fourth proportional to 3,407.16, 4,705.38 and 2,934.12 is: 4,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.16 : 4,705.38 = 2,934.12 : x
  2. Step 2: Convert to fraction form
    3,407.16/4,705.38 = 2,934.12/x
  3. Step 3: Cross multiply
    3,407.16x = 4,705.38 × 2,934.12
  4. Step 4: Simplify right side
    3,407.16x = 13,806,149.57
  5. Step 5: Solve for x
    x = 13,806,149.57/3,407.16
  6. Step 6: Final answer
    x = 4,052.10

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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.