Home / 3,289.18-4,934.08-1,098.06

Finding the Fourth Proportional to 3,289.18, 4,934.08 and 1,098.06

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Solution

The fourth proportional to 3,289.18, 4,934.08 and 1,098.06 is: 1,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.18 : 4,934.08 = 1,098.06 : x
  2. Step 2: Convert to fraction form
    3,289.18/4,934.08 = 1,098.06/x
  3. Step 3: Cross multiply
    3,289.18x = 4,934.08 × 1,098.06
  4. Step 4: Simplify right side
    3,289.18x = 5,417,915.88
  5. Step 5: Solve for x
    x = 5,417,915.88/3,289.18
  6. Step 6: Final answer
    x = 1,647.20

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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.