Home / 3,536.13-5,278.27-3,121.01

Finding the Fourth Proportional to 3,536.13, 5,278.27 and 3,121.01

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Solution

The fourth proportional to 3,536.13, 5,278.27 and 3,121.01 is: 4,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.13 : 5,278.27 = 3,121.01 : x
  2. Step 2: Convert to fraction form
    3,536.13/5,278.27 = 3,121.01/x
  3. Step 3: Cross multiply
    3,536.13x = 5,278.27 × 3,121.01
  4. Step 4: Simplify right side
    3,536.13x = 16,473,499.26
  5. Step 5: Solve for x
    x = 16,473,499.26/3,536.13
  6. Step 6: Final answer
    x = 4,658.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.