Home / 2,091.62-2,885.65-1,252.34

Finding the Fourth Proportional to 2,091.62, 2,885.65 and 1,252.34

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Solution

The fourth proportional to 2,091.62, 2,885.65 and 1,252.34 is: 1,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.62 : 2,885.65 = 1,252.34 : x
  2. Step 2: Convert to fraction form
    2,091.62/2,885.65 = 1,252.34/x
  3. Step 3: Cross multiply
    2,091.62x = 2,885.65 × 1,252.34
  4. Step 4: Simplify right side
    2,091.62x = 3,613,814.92
  5. Step 5: Solve for x
    x = 3,613,814.92/2,091.62
  6. Step 6: Final answer
    x = 1,727.76

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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.