Home / 3,192.42-4,404.75-1,866.18

Finding the Fourth Proportional to 3,192.42, 4,404.75 and 1,866.18

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Solution

The fourth proportional to 3,192.42, 4,404.75 and 1,866.18 is: 2,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.42 : 4,404.75 = 1,866.18 : x
  2. Step 2: Convert to fraction form
    3,192.42/4,404.75 = 1,866.18/x
  3. Step 3: Cross multiply
    3,192.42x = 4,404.75 × 1,866.18
  4. Step 4: Simplify right side
    3,192.42x = 8,220,056.36
  5. Step 5: Solve for x
    x = 8,220,056.36/3,192.42
  6. Step 6: Final answer
    x = 2,574.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.