Home / 3,210.91-4,424.84-2,277.79

Finding the Fourth Proportional to 3,210.91, 4,424.84 and 2,277.79

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Solution

The fourth proportional to 3,210.91, 4,424.84 and 2,277.79 is: 3,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.91 : 4,424.84 = 2,277.79 : x
  2. Step 2: Convert to fraction form
    3,210.91/4,424.84 = 2,277.79/x
  3. Step 3: Cross multiply
    3,210.91x = 4,424.84 × 2,277.79
  4. Step 4: Simplify right side
    3,210.91x = 10,078,844.91
  5. Step 5: Solve for x
    x = 10,078,844.91/3,210.91
  6. Step 6: Final answer
    x = 3,138.94

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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.