Home / 3,511.20-5,266.80-1,046.02

Finding the Fourth Proportional to 3,511.20, 5,266.80 and 1,046.02

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Solution

The fourth proportional to 3,511.20, 5,266.80 and 1,046.02 is: 1,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.20 : 5,266.80 = 1,046.02 : x
  2. Step 2: Convert to fraction form
    3,511.20/5,266.80 = 1,046.02/x
  3. Step 3: Cross multiply
    3,511.20x = 5,266.80 × 1,046.02
  4. Step 4: Simplify right side
    3,511.20x = 5,509,178.14
  5. Step 5: Solve for x
    x = 5,509,178.14/3,511.20
  6. Step 6: Final answer
    x = 1,569.03

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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.