Home / 3,153.28-4,726.08-1,999.36

Finding the Fourth Proportional to 3,153.28, 4,726.08 and 1,999.36

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Solution

The fourth proportional to 3,153.28, 4,726.08 and 1,999.36 is: 2,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.28 : 4,726.08 = 1,999.36 : x
  2. Step 2: Convert to fraction form
    3,153.28/4,726.08 = 1,999.36/x
  3. Step 3: Cross multiply
    3,153.28x = 4,726.08 × 1,999.36
  4. Step 4: Simplify right side
    3,153.28x = 9,449,135.31
  5. Step 5: Solve for x
    x = 9,449,135.31/3,153.28
  6. Step 6: Final answer
    x = 2,996.61

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1.5x scale

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.