Home / 3,636.68-5,455.61-1,171.17

Finding the Fourth Proportional to 3,636.68, 5,455.61 and 1,171.17

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Solution

The fourth proportional to 3,636.68, 5,455.61 and 1,171.17 is: 1,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.68 : 5,455.61 = 1,171.17 : x
  2. Step 2: Convert to fraction form
    3,636.68/5,455.61 = 1,171.17/x
  3. Step 3: Cross multiply
    3,636.68x = 5,455.61 × 1,171.17
  4. Step 4: Simplify right side
    3,636.68x = 6,389,440.91
  5. Step 5: Solve for x
    x = 6,389,440.91/3,636.68
  6. Step 6: Final answer
    x = 1,756.95

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1.5x scale

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.