Home / 2,932.89-4,045.86-1,936.86

Finding the Fourth Proportional to 2,932.89, 4,045.86 and 1,936.86

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Solution

The fourth proportional to 2,932.89, 4,045.86 and 1,936.86 is: 2,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.89 : 4,045.86 = 1,936.86 : x
  2. Step 2: Convert to fraction form
    2,932.89/4,045.86 = 1,936.86/x
  3. Step 3: Cross multiply
    2,932.89x = 4,045.86 × 1,936.86
  4. Step 4: Simplify right side
    2,932.89x = 7,836,264.40
  5. Step 5: Solve for x
    x = 7,836,264.40/2,932.89
  6. Step 6: Final answer
    x = 2,671.86

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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.