Home / 3,511.12-5,265.78-1,045.36

Finding the Fourth Proportional to 3,511.12, 5,265.78 and 1,045.36

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Solution

The fourth proportional to 3,511.12, 5,265.78 and 1,045.36 is: 1,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.12 : 5,265.78 = 1,045.36 : x
  2. Step 2: Convert to fraction form
    3,511.12/5,265.78 = 1,045.36/x
  3. Step 3: Cross multiply
    3,511.12x = 5,265.78 × 1,045.36
  4. Step 4: Simplify right side
    3,511.12x = 5,504,635.78
  5. Step 5: Solve for x
    x = 5,504,635.78/3,511.12
  6. Step 6: Final answer
    x = 1,567.77

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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.