Home / 3,807.68-5,252.78-2,393.12

Finding the Fourth Proportional to 3,807.68, 5,252.78 and 2,393.12

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Solution

The fourth proportional to 3,807.68, 5,252.78 and 2,393.12 is: 3,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.68 : 5,252.78 = 2,393.12 : x
  2. Step 2: Convert to fraction form
    3,807.68/5,252.78 = 2,393.12/x
  3. Step 3: Cross multiply
    3,807.68x = 5,252.78 × 2,393.12
  4. Step 4: Simplify right side
    3,807.68x = 12,570,532.87
  5. Step 5: Solve for x
    x = 12,570,532.87/3,807.68
  6. Step 6: Final answer
    x = 3,301.36

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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.