Home / 3,246.29-4,869.51-1,271.85

Finding the Fourth Proportional to 3,246.29, 4,869.51 and 1,271.85

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Solution

The fourth proportional to 3,246.29, 4,869.51 and 1,271.85 is: 1,907.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.29 : 4,869.51 = 1,271.85 : x
  2. Step 2: Convert to fraction form
    3,246.29/4,869.51 = 1,271.85/x
  3. Step 3: Cross multiply
    3,246.29x = 4,869.51 × 1,271.85
  4. Step 4: Simplify right side
    3,246.29x = 6,193,286.29
  5. Step 5: Solve for x
    x = 6,193,286.29/3,246.29
  6. Step 6: Final answer
    x = 1,907.80

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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.