Home / 3,246.12-4,869.45-1,298.46

Finding the Fourth Proportional to 3,246.12, 4,869.45 and 1,298.46

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Solution

The fourth proportional to 3,246.12, 4,869.45 and 1,298.46 is: 1,947.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.12 : 4,869.45 = 1,298.46 : x
  2. Step 2: Convert to fraction form
    3,246.12/4,869.45 = 1,298.46/x
  3. Step 3: Cross multiply
    3,246.12x = 4,869.45 × 1,298.46
  4. Step 4: Simplify right side
    3,246.12x = 6,322,786.05
  5. Step 5: Solve for x
    x = 6,322,786.05/3,246.12
  6. Step 6: Final answer
    x = 1,947.80

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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.