Home / 2,573.68-3,857.82-1,272.46

Finding the Fourth Proportional to 2,573.68, 3,857.82 and 1,272.46

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Solution

The fourth proportional to 2,573.68, 3,857.82 and 1,272.46 is: 1,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,573.68 : 3,857.82 = 1,272.46 : x
  2. Step 2: Convert to fraction form
    2,573.68/3,857.82 = 1,272.46/x
  3. Step 3: Cross multiply
    2,573.68x = 3,857.82 × 1,272.46
  4. Step 4: Simplify right side
    2,573.68x = 4,908,921.64
  5. Step 5: Solve for x
    x = 4,908,921.64/2,573.68
  6. Step 6: Final answer
    x = 1,907.36

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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.