Home / 1,511.11-2,274.84-1,081.27

Finding the Fourth Proportional to 1,511.11, 2,274.84 and 1,081.27

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Solution

The fourth proportional to 1,511.11, 2,274.84 and 1,081.27 is: 1,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.11 : 2,274.84 = 1,081.27 : x
  2. Step 2: Convert to fraction form
    1,511.11/2,274.84 = 1,081.27/x
  3. Step 3: Cross multiply
    1,511.11x = 2,274.84 × 1,081.27
  4. Step 4: Simplify right side
    1,511.11x = 2,459,716.25
  5. Step 5: Solve for x
    x = 2,459,716.25/1,511.11
  6. Step 6: Final answer
    x = 1,627.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.