Home / 3,289.17-4,929.51-1,339.11

Finding the Fourth Proportional to 3,289.17, 4,929.51 and 1,339.11

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Solution

The fourth proportional to 3,289.17, 4,929.51 and 1,339.11 is: 2,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.17 : 4,929.51 = 1,339.11 : x
  2. Step 2: Convert to fraction form
    3,289.17/4,929.51 = 1,339.11/x
  3. Step 3: Cross multiply
    3,289.17x = 4,929.51 × 1,339.11
  4. Step 4: Simplify right side
    3,289.17x = 6,601,156.14
  5. Step 5: Solve for x
    x = 6,601,156.14/3,289.17
  6. Step 6: Final answer
    x = 2,006.94

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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.