Home / 3,511.26-5,267.40-1,045.80

Finding the Fourth Proportional to 3,511.26, 5,267.40 and 1,045.80

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Solution

The fourth proportional to 3,511.26, 5,267.40 and 1,045.80 is: 1,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.26 : 5,267.40 = 1,045.80 : x
  2. Step 2: Convert to fraction form
    3,511.26/5,267.40 = 1,045.80/x
  3. Step 3: Cross multiply
    3,511.26x = 5,267.40 × 1,045.80
  4. Step 4: Simplify right side
    3,511.26x = 5,508,646.92
  5. Step 5: Solve for x
    x = 5,508,646.92/3,511.26
  6. Step 6: Final answer
    x = 1,568.85

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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.