Home / 3,188.19-4,399.47-1,772.04

Finding the Fourth Proportional to 3,188.19, 4,399.47 and 1,772.04

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Solution

The fourth proportional to 3,188.19, 4,399.47 and 1,772.04 is: 2,445.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.19 : 4,399.47 = 1,772.04 : x
  2. Step 2: Convert to fraction form
    3,188.19/4,399.47 = 1,772.04/x
  3. Step 3: Cross multiply
    3,188.19x = 4,399.47 × 1,772.04
  4. Step 4: Simplify right side
    3,188.19x = 7,796,036.82
  5. Step 5: Solve for x
    x = 7,796,036.82/3,188.19
  6. Step 6: Final answer
    x = 2,445.29

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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.