Home / 2,679.42-4,025.30-1,901.36

Finding the Fourth Proportional to 2,679.42, 4,025.30 and 1,901.36

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Solution

The fourth proportional to 2,679.42, 4,025.30 and 1,901.36 is: 2,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.42 : 4,025.30 = 1,901.36 : x
  2. Step 2: Convert to fraction form
    2,679.42/4,025.30 = 1,901.36/x
  3. Step 3: Cross multiply
    2,679.42x = 4,025.30 × 1,901.36
  4. Step 4: Simplify right side
    2,679.42x = 7,653,514.77
  5. Step 5: Solve for x
    x = 7,653,514.77/2,679.42
  6. Step 6: Final answer
    x = 2,856.41

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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.