Home / 2,840.60-4,250.76-1,963.28

Finding the Fourth Proportional to 2,840.60, 4,250.76 and 1,963.28

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Solution

The fourth proportional to 2,840.60, 4,250.76 and 1,963.28 is: 2,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.60 : 4,250.76 = 1,963.28 : x
  2. Step 2: Convert to fraction form
    2,840.60/4,250.76 = 1,963.28/x
  3. Step 3: Cross multiply
    2,840.60x = 4,250.76 × 1,963.28
  4. Step 4: Simplify right side
    2,840.60x = 8,345,432.09
  5. Step 5: Solve for x
    x = 8,345,432.09/2,840.60
  6. Step 6: Final answer
    x = 2,937.91

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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.