Home / 3,904.99-5,388.36-2,332.75

Finding the Fourth Proportional to 3,904.99, 5,388.36 and 2,332.75

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Solution

The fourth proportional to 3,904.99, 5,388.36 and 2,332.75 is: 3,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.99 : 5,388.36 = 2,332.75 : x
  2. Step 2: Convert to fraction form
    3,904.99/5,388.36 = 2,332.75/x
  3. Step 3: Cross multiply
    3,904.99x = 5,388.36 × 2,332.75
  4. Step 4: Simplify right side
    3,904.99x = 12,569,685.13
  5. Step 5: Solve for x
    x = 12,569,685.13/3,904.99
  6. Step 6: Final answer
    x = 3,218.88

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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.