Home / 3,246.30-4,869.90-1,297.98

Finding the Fourth Proportional to 3,246.30, 4,869.90 and 1,297.98

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Solution

The fourth proportional to 3,246.30, 4,869.90 and 1,297.98 is: 1,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.30 : 4,869.90 = 1,297.98 : x
  2. Step 2: Convert to fraction form
    3,246.30/4,869.90 = 1,297.98/x
  3. Step 3: Cross multiply
    3,246.30x = 4,869.90 × 1,297.98
  4. Step 4: Simplify right side
    3,246.30x = 6,321,032.80
  5. Step 5: Solve for x
    x = 6,321,032.80/3,246.30
  6. Step 6: Final answer
    x = 1,947.15

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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.