Home / 3,860.14-5,326.99-2,091.74

Finding the Fourth Proportional to 3,860.14, 5,326.99 and 2,091.74

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Solution

The fourth proportional to 3,860.14, 5,326.99 and 2,091.74 is: 2,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.14 : 5,326.99 = 2,091.74 : x
  2. Step 2: Convert to fraction form
    3,860.14/5,326.99 = 2,091.74/x
  3. Step 3: Cross multiply
    3,860.14x = 5,326.99 × 2,091.74
  4. Step 4: Simplify right side
    3,860.14x = 11,142,654.04
  5. Step 5: Solve for x
    x = 11,142,654.04/3,860.14
  6. Step 6: Final answer
    x = 2,886.60

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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.