Home / 3,590.73-5,385.08-1,511.21

Finding the Fourth Proportional to 3,590.73, 5,385.08 and 1,511.21

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Solution

The fourth proportional to 3,590.73, 5,385.08 and 1,511.21 is: 2,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.73 : 5,385.08 = 1,511.21 : x
  2. Step 2: Convert to fraction form
    3,590.73/5,385.08 = 1,511.21/x
  3. Step 3: Cross multiply
    3,590.73x = 5,385.08 × 1,511.21
  4. Step 4: Simplify right side
    3,590.73x = 8,137,986.75
  5. Step 5: Solve for x
    x = 8,137,986.75/3,590.73
  6. Step 6: Final answer
    x = 2,266.39

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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.