Home / 3,288.02-4,932.12-1,438.18

Finding the Fourth Proportional to 3,288.02, 4,932.12 and 1,438.18

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Solution

The fourth proportional to 3,288.02, 4,932.12 and 1,438.18 is: 2,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.02 : 4,932.12 = 1,438.18 : x
  2. Step 2: Convert to fraction form
    3,288.02/4,932.12 = 1,438.18/x
  3. Step 3: Cross multiply
    3,288.02x = 4,932.12 × 1,438.18
  4. Step 4: Simplify right side
    3,288.02x = 7,093,269.40
  5. Step 5: Solve for x
    x = 7,093,269.40/3,288.02
  6. Step 6: Final answer
    x = 2,157.31

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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.