Home / 2,781.47-3,836.77-2,607.73

Finding the Fourth Proportional to 2,781.47, 3,836.77 and 2,607.73

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Solution

The fourth proportional to 2,781.47, 3,836.77 and 2,607.73 is: 3,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,781.47 : 3,836.77 = 2,607.73 : x
  2. Step 2: Convert to fraction form
    2,781.47/3,836.77 = 2,607.73/x
  3. Step 3: Cross multiply
    2,781.47x = 3,836.77 × 2,607.73
  4. Step 4: Simplify right side
    2,781.47x = 10,005,244.12
  5. Step 5: Solve for x
    x = 10,005,244.12/2,781.47
  6. Step 6: Final answer
    x = 3,597.10

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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.