Home / 2,091.91-2,886.75-1,252.14

Finding the Fourth Proportional to 2,091.91, 2,886.75 and 1,252.14

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Solution

The fourth proportional to 2,091.91, 2,886.75 and 1,252.14 is: 1,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.91 : 2,886.75 = 1,252.14 : x
  2. Step 2: Convert to fraction form
    2,091.91/2,886.75 = 1,252.14/x
  3. Step 3: Cross multiply
    2,091.91x = 2,886.75 × 1,252.14
  4. Step 4: Simplify right side
    2,091.91x = 3,614,615.15
  5. Step 5: Solve for x
    x = 3,614,615.15/2,091.91
  6. Step 6: Final answer
    x = 1,727.90

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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.