Home / 3,821.92-5,276.55-2,497.84

Finding the Fourth Proportional to 3,821.92, 5,276.55 and 2,497.84

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Solution

The fourth proportional to 3,821.92, 5,276.55 and 2,497.84 is: 3,448.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.92 : 5,276.55 = 2,497.84 : x
  2. Step 2: Convert to fraction form
    3,821.92/5,276.55 = 2,497.84/x
  3. Step 3: Cross multiply
    3,821.92x = 5,276.55 × 2,497.84
  4. Step 4: Simplify right side
    3,821.92x = 13,179,977.65
  5. Step 5: Solve for x
    x = 13,179,977.65/3,821.92
  6. Step 6: Final answer
    x = 3,448.52

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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.