Home / 3,808.69-5,252.58-2,392.51

Finding the Fourth Proportional to 3,808.69, 5,252.58 and 2,392.51

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Solution

The fourth proportional to 3,808.69, 5,252.58 and 2,392.51 is: 3,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.69 : 5,252.58 = 2,392.51 : x
  2. Step 2: Convert to fraction form
    3,808.69/5,252.58 = 2,392.51/x
  3. Step 3: Cross multiply
    3,808.69x = 5,252.58 × 2,392.51
  4. Step 4: Simplify right side
    3,808.69x = 12,566,850.18
  5. Step 5: Solve for x
    x = 12,566,850.18/3,808.69
  6. Step 6: Final answer
    x = 3,299.52

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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.