Home / 2,934.78-4,049.61-1,886.64

Finding the Fourth Proportional to 2,934.78, 4,049.61 and 1,886.64

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Solution

The fourth proportional to 2,934.78, 4,049.61 and 1,886.64 is: 2,603.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.78 : 4,049.61 = 1,886.64 : x
  2. Step 2: Convert to fraction form
    2,934.78/4,049.61 = 1,886.64/x
  3. Step 3: Cross multiply
    2,934.78x = 4,049.61 × 1,886.64
  4. Step 4: Simplify right side
    2,934.78x = 7,640,156.21
  5. Step 5: Solve for x
    x = 7,640,156.21/2,934.78
  6. Step 6: Final answer
    x = 2,603.31

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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.