Home / 3,182.52-4,768.95-1,620.18

Finding the Fourth Proportional to 3,182.52, 4,768.95 and 1,620.18

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Solution

The fourth proportional to 3,182.52, 4,768.95 and 1,620.18 is: 2,427.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.52 : 4,768.95 = 1,620.18 : x
  2. Step 2: Convert to fraction form
    3,182.52/4,768.95 = 1,620.18/x
  3. Step 3: Cross multiply
    3,182.52x = 4,768.95 × 1,620.18
  4. Step 4: Simplify right side
    3,182.52x = 7,726,557.41
  5. Step 5: Solve for x
    x = 7,726,557.41/3,182.52
  6. Step 6: Final answer
    x = 2,427.81

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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.