Home / 4,291.78-5,920.54-2,700.36

Finding the Fourth Proportional to 4,291.78, 5,920.54 and 2,700.36

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Solution

The fourth proportional to 4,291.78, 5,920.54 and 2,700.36 is: 3,725.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.78 : 5,920.54 = 2,700.36 : x
  2. Step 2: Convert to fraction form
    4,291.78/5,920.54 = 2,700.36/x
  3. Step 3: Cross multiply
    4,291.78x = 5,920.54 × 2,700.36
  4. Step 4: Simplify right side
    4,291.78x = 15,987,589.39
  5. Step 5: Solve for x
    x = 15,987,589.39/4,291.78
  6. Step 6: Final answer
    x = 3,725.17

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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.