Home / 2,685.84-3,704.31-1,799.97

Finding the Fourth Proportional to 2,685.84, 3,704.31 and 1,799.97

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Solution

The fourth proportional to 2,685.84, 3,704.31 and 1,799.97 is: 2,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.84 : 3,704.31 = 1,799.97 : x
  2. Step 2: Convert to fraction form
    2,685.84/3,704.31 = 1,799.97/x
  3. Step 3: Cross multiply
    2,685.84x = 3,704.31 × 1,799.97
  4. Step 4: Simplify right side
    2,685.84x = 6,667,646.87
  5. Step 5: Solve for x
    x = 6,667,646.87/2,685.84
  6. Step 6: Final answer
    x = 2,482.52

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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.