Home / 2,588.11-3,883.97-1,126.51

Finding the Fourth Proportional to 2,588.11, 3,883.97 and 1,126.51

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Solution

The fourth proportional to 2,588.11, 3,883.97 and 1,126.51 is: 1,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588.11 : 3,883.97 = 1,126.51 : x
  2. Step 2: Convert to fraction form
    2,588.11/3,883.97 = 1,126.51/x
  3. Step 3: Cross multiply
    2,588.11x = 3,883.97 × 1,126.51
  4. Step 4: Simplify right side
    2,588.11x = 4,375,337.94
  5. Step 5: Solve for x
    x = 4,375,337.94/2,588.11
  6. Step 6: Final answer
    x = 1,690.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.