Home / 3,995.88-5,512.96-2,423.40

Finding the Fourth Proportional to 3,995.88, 5,512.96 and 2,423.40

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Solution

The fourth proportional to 3,995.88, 5,512.96 and 2,423.40 is: 3,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.88 : 5,512.96 = 2,423.40 : x
  2. Step 2: Convert to fraction form
    3,995.88/5,512.96 = 2,423.40/x
  3. Step 3: Cross multiply
    3,995.88x = 5,512.96 × 2,423.40
  4. Step 4: Simplify right side
    3,995.88x = 13,360,107.26
  5. Step 5: Solve for x
    x = 13,360,107.26/3,995.88
  6. Step 6: Final answer
    x = 3,343.47

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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.