Home / 3,511.35-5,266.54-1,045.71

Finding the Fourth Proportional to 3,511.35, 5,266.54 and 1,045.71

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Solution

The fourth proportional to 3,511.35, 5,266.54 and 1,045.71 is: 1,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.35 : 5,266.54 = 1,045.71 : x
  2. Step 2: Convert to fraction form
    3,511.35/5,266.54 = 1,045.71/x
  3. Step 3: Cross multiply
    3,511.35x = 5,266.54 × 1,045.71
  4. Step 4: Simplify right side
    3,511.35x = 5,507,273.54
  5. Step 5: Solve for x
    x = 5,507,273.54/3,511.35
  6. Step 6: Final answer
    x = 1,568.42

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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.