Home / 2,557.97-3,838.85-1,901.37

Finding the Fourth Proportional to 2,557.97, 3,838.85 and 1,901.37

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Solution

The fourth proportional to 2,557.97, 3,838.85 and 1,901.37 is: 2,853.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.97 : 3,838.85 = 1,901.37 : x
  2. Step 2: Convert to fraction form
    2,557.97/3,838.85 = 1,901.37/x
  3. Step 3: Cross multiply
    2,557.97x = 3,838.85 × 1,901.37
  4. Step 4: Simplify right side
    2,557.97x = 7,299,064.72
  5. Step 5: Solve for x
    x = 7,299,064.72/2,557.97
  6. Step 6: Final answer
    x = 2,853.47

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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.