Home / 2,948.40-4,067.82-1,901.34

Finding the Fourth Proportional to 2,948.40, 4,067.82 and 1,901.34

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Solution

The fourth proportional to 2,948.40, 4,067.82 and 1,901.34 is: 2,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.40 : 4,067.82 = 1,901.34 : x
  2. Step 2: Convert to fraction form
    2,948.40/4,067.82 = 1,901.34/x
  3. Step 3: Cross multiply
    2,948.40x = 4,067.82 × 1,901.34
  4. Step 4: Simplify right side
    2,948.40x = 7,734,308.88
  5. Step 5: Solve for x
    x = 7,734,308.88/2,948.40
  6. Step 6: Final answer
    x = 2,623.22

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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.