Home / 3,995.24-5,989.07-1,653.78

Finding the Fourth Proportional to 3,995.24, 5,989.07 and 1,653.78

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Solution

The fourth proportional to 3,995.24, 5,989.07 and 1,653.78 is: 2,479.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.24 : 5,989.07 = 1,653.78 : x
  2. Step 2: Convert to fraction form
    3,995.24/5,989.07 = 1,653.78/x
  3. Step 3: Cross multiply
    3,995.24x = 5,989.07 × 1,653.78
  4. Step 4: Simplify right side
    3,995.24x = 9,904,630.78
  5. Step 5: Solve for x
    x = 9,904,630.78/3,995.24
  6. Step 6: Final answer
    x = 2,479.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.