Home / 3,616.62-5,424.86-1,151.45

Finding the Fourth Proportional to 3,616.62, 5,424.86 and 1,151.45

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Solution

The fourth proportional to 3,616.62, 5,424.86 and 1,151.45 is: 1,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.62 : 5,424.86 = 1,151.45 : x
  2. Step 2: Convert to fraction form
    3,616.62/5,424.86 = 1,151.45/x
  3. Step 3: Cross multiply
    3,616.62x = 5,424.86 × 1,151.45
  4. Step 4: Simplify right side
    3,616.62x = 6,246,422.17
  5. Step 5: Solve for x
    x = 6,246,422.17/3,616.62
  6. Step 6: Final answer
    x = 1,727.14

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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.