Home / 2,137.05-2,949.35-1,253.14

Finding the Fourth Proportional to 2,137.05, 2,949.35 and 1,253.14

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Solution

The fourth proportional to 2,137.05, 2,949.35 and 1,253.14 is: 1,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.05 : 2,949.35 = 1,253.14 : x
  2. Step 2: Convert to fraction form
    2,137.05/2,949.35 = 1,253.14/x
  3. Step 3: Cross multiply
    2,137.05x = 2,949.35 × 1,253.14
  4. Step 4: Simplify right side
    2,137.05x = 3,695,934.82
  5. Step 5: Solve for x
    x = 3,695,934.82/2,137.05
  6. Step 6: Final answer
    x = 1,729.46

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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.