Home / 3,281.18-4,922.24-1,089.41

Finding the Fourth Proportional to 3,281.18, 4,922.24 and 1,089.41

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Solution

The fourth proportional to 3,281.18, 4,922.24 and 1,089.41 is: 1,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.18 : 4,922.24 = 1,089.41 : x
  2. Step 2: Convert to fraction form
    3,281.18/4,922.24 = 1,089.41/x
  3. Step 3: Cross multiply
    3,281.18x = 4,922.24 × 1,089.41
  4. Step 4: Simplify right side
    3,281.18x = 5,362,307.42
  5. Step 5: Solve for x
    x = 5,362,307.42/3,281.18
  6. Step 6: Final answer
    x = 1,634.26

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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.