Home / 3,110.14-4,292.85-2,117.08

Finding the Fourth Proportional to 3,110.14, 4,292.85 and 2,117.08

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Solution

The fourth proportional to 3,110.14, 4,292.85 and 2,117.08 is: 2,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.14 : 4,292.85 = 2,117.08 : x
  2. Step 2: Convert to fraction form
    3,110.14/4,292.85 = 2,117.08/x
  3. Step 3: Cross multiply
    3,110.14x = 4,292.85 × 2,117.08
  4. Step 4: Simplify right side
    3,110.14x = 9,088,306.88
  5. Step 5: Solve for x
    x = 9,088,306.88/3,110.14
  6. Step 6: Final answer
    x = 2,922.15

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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.