Home / 3,560.39-4,913.79-2,144.81

Finding the Fourth Proportional to 3,560.39, 4,913.79 and 2,144.81

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Solution

The fourth proportional to 3,560.39, 4,913.79 and 2,144.81 is: 2,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.39 : 4,913.79 = 2,144.81 : x
  2. Step 2: Convert to fraction form
    3,560.39/4,913.79 = 2,144.81/x
  3. Step 3: Cross multiply
    3,560.39x = 4,913.79 × 2,144.81
  4. Step 4: Simplify right side
    3,560.39x = 10,539,121.36
  5. Step 5: Solve for x
    x = 10,539,121.36/3,560.39
  6. Step 6: Final answer
    x = 2,960.11

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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.