Home / 3,636.40-5,017.63-2,144.11

Finding the Fourth Proportional to 3,636.40, 5,017.63 and 2,144.11

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Solution

The fourth proportional to 3,636.40, 5,017.63 and 2,144.11 is: 2,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.40 : 5,017.63 = 2,144.11 : x
  2. Step 2: Convert to fraction form
    3,636.40/5,017.63 = 2,144.11/x
  3. Step 3: Cross multiply
    3,636.40x = 5,017.63 × 2,144.11
  4. Step 4: Simplify right side
    3,636.40x = 10,758,339.94
  5. Step 5: Solve for x
    x = 10,758,339.94/3,636.40
  6. Step 6: Final answer
    x = 2,958.51

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1.5x scale

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.