Home / 2,712.69-4,049.87-2,322.81

Finding the Fourth Proportional to 2,712.69, 4,049.87 and 2,322.81

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Solution

The fourth proportional to 2,712.69, 4,049.87 and 2,322.81 is: 3,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.69 : 4,049.87 = 2,322.81 : x
  2. Step 2: Convert to fraction form
    2,712.69/4,049.87 = 2,322.81/x
  3. Step 3: Cross multiply
    2,712.69x = 4,049.87 × 2,322.81
  4. Step 4: Simplify right side
    2,712.69x = 9,407,066.92
  5. Step 5: Solve for x
    x = 9,407,066.92/2,712.69
  6. Step 6: Final answer
    x = 3,467.80

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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.