Home / 3,321.66-4,583.91-1,995.39

Finding the Fourth Proportional to 3,321.66, 4,583.91 and 1,995.39

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Solution

The fourth proportional to 3,321.66, 4,583.91 and 1,995.39 is: 2,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.66 : 4,583.91 = 1,995.39 : x
  2. Step 2: Convert to fraction form
    3,321.66/4,583.91 = 1,995.39/x
  3. Step 3: Cross multiply
    3,321.66x = 4,583.91 × 1,995.39
  4. Step 4: Simplify right side
    3,321.66x = 9,146,688.17
  5. Step 5: Solve for x
    x = 9,146,688.17/3,321.66
  6. Step 6: Final answer
    x = 2,753.65

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1.5x scale

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.