Home / 2,750.87-4,126.52-1,362.81

Finding the Fourth Proportional to 2,750.87, 4,126.52 and 1,362.81

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Solution

The fourth proportional to 2,750.87, 4,126.52 and 1,362.81 is: 2,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.87 : 4,126.52 = 1,362.81 : x
  2. Step 2: Convert to fraction form
    2,750.87/4,126.52 = 1,362.81/x
  3. Step 3: Cross multiply
    2,750.87x = 4,126.52 × 1,362.81
  4. Step 4: Simplify right side
    2,750.87x = 5,623,671.97
  5. Step 5: Solve for x
    x = 5,623,671.97/2,750.87
  6. Step 6: Final answer
    x = 2,044.32

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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.