Home / 2,904.78-4,009.96-2,067.24

Finding the Fourth Proportional to 2,904.78, 4,009.96 and 2,067.24

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Solution

The fourth proportional to 2,904.78, 4,009.96 and 2,067.24 is: 2,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.78 : 4,009.96 = 2,067.24 : x
  2. Step 2: Convert to fraction form
    2,904.78/4,009.96 = 2,067.24/x
  3. Step 3: Cross multiply
    2,904.78x = 4,009.96 × 2,067.24
  4. Step 4: Simplify right side
    2,904.78x = 8,289,549.71
  5. Step 5: Solve for x
    x = 8,289,549.71/2,904.78
  6. Step 6: Final answer
    x = 2,853.76

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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.