Home / 3,054.08-4,214.04-2,781.92

Finding the Fourth Proportional to 3,054.08, 4,214.04 and 2,781.92

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Solution

The fourth proportional to 3,054.08, 4,214.04 and 2,781.92 is: 3,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,054.08 : 4,214.04 = 2,781.92 : x
  2. Step 2: Convert to fraction form
    3,054.08/4,214.04 = 2,781.92/x
  3. Step 3: Cross multiply
    3,054.08x = 4,214.04 × 2,781.92
  4. Step 4: Simplify right side
    3,054.08x = 11,723,122.16
  5. Step 5: Solve for x
    x = 11,723,122.16/3,054.08
  6. Step 6: Final answer
    x = 3,838.51

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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.