Home / 3,511.20-5,267.41-1,045.77

Finding the Fourth Proportional to 3,511.20, 5,267.41 and 1,045.77

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Solution

The fourth proportional to 3,511.20, 5,267.41 and 1,045.77 is: 1,568.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.20 : 5,267.41 = 1,045.77 : x
  2. Step 2: Convert to fraction form
    3,511.20/5,267.41 = 1,045.77/x
  3. Step 3: Cross multiply
    3,511.20x = 5,267.41 × 1,045.77
  4. Step 4: Simplify right side
    3,511.20x = 5,508,499.36
  5. Step 5: Solve for x
    x = 5,508,499.36/3,511.20
  6. Step 6: Final answer
    x = 1,568.84

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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.