Home / 1,935.22-2,671.78-1,237

Finding the Fourth Proportional to 1,935.22, 2,671.78 and 1,237

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Solution

The fourth proportional to 1,935.22, 2,671.78 and 1,237 is: 1,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.22 : 2,671.78 = 1,237 : x
  2. Step 2: Convert to fraction form
    1,935.22/2,671.78 = 1,237/x
  3. Step 3: Cross multiply
    1,935.22x = 2,671.78 × 1,237
  4. Step 4: Simplify right side
    1,935.22x = 3,304,991.86
  5. Step 5: Solve for x
    x = 3,304,991.86/1,935.22
  6. Step 6: Final answer
    x = 1,707.81

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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.