Home / 3,818.89-5,276.62-2,754.55

Finding the Fourth Proportional to 3,818.89, 5,276.62 and 2,754.55

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Solution

The fourth proportional to 3,818.89, 5,276.62 and 2,754.55 is: 3,806.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.89 : 5,276.62 = 2,754.55 : x
  2. Step 2: Convert to fraction form
    3,818.89/5,276.62 = 2,754.55/x
  3. Step 3: Cross multiply
    3,818.89x = 5,276.62 × 2,754.55
  4. Step 4: Simplify right side
    3,818.89x = 14,534,713.62
  5. Step 5: Solve for x
    x = 14,534,713.62/3,818.89
  6. Step 6: Final answer
    x = 3,806.00

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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.