Home / 3,010.50-4,155.30-1,963.98

Finding the Fourth Proportional to 3,010.50, 4,155.30 and 1,963.98

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Solution

The fourth proportional to 3,010.50, 4,155.30 and 1,963.98 is: 2,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.50 : 4,155.30 = 1,963.98 : x
  2. Step 2: Convert to fraction form
    3,010.50/4,155.30 = 1,963.98/x
  3. Step 3: Cross multiply
    3,010.50x = 4,155.30 × 1,963.98
  4. Step 4: Simplify right side
    3,010.50x = 8,160,926.09
  5. Step 5: Solve for x
    x = 8,160,926.09/3,010.50
  6. Step 6: Final answer
    x = 2,710.82

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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.