Home / 2,636.17-3,636.99-1,691.89

Finding the Fourth Proportional to 2,636.17, 3,636.99 and 1,691.89

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Solution

The fourth proportional to 2,636.17, 3,636.99 and 1,691.89 is: 2,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.17 : 3,636.99 = 1,691.89 : x
  2. Step 2: Convert to fraction form
    2,636.17/3,636.99 = 1,691.89/x
  3. Step 3: Cross multiply
    2,636.17x = 3,636.99 × 1,691.89
  4. Step 4: Simplify right side
    2,636.17x = 6,153,377.92
  5. Step 5: Solve for x
    x = 6,153,377.92/2,636.17
  6. Step 6: Final answer
    x = 2,334.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.