Home / 3,799.88-5,242.42-2,307.28

Finding the Fourth Proportional to 3,799.88, 5,242.42 and 2,307.28

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Solution

The fourth proportional to 3,799.88, 5,242.42 and 2,307.28 is: 3,183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.88 : 5,242.42 = 2,307.28 : x
  2. Step 2: Convert to fraction form
    3,799.88/5,242.42 = 2,307.28/x
  3. Step 3: Cross multiply
    3,799.88x = 5,242.42 × 2,307.28
  4. Step 4: Simplify right side
    3,799.88x = 12,095,730.82
  5. Step 5: Solve for x
    x = 12,095,730.82/3,799.88
  6. Step 6: Final answer
    x = 3,183.19

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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.