Home / 3,246.56-4,869.84-1,605.14

Finding the Fourth Proportional to 3,246.56, 4,869.84 and 1,605.14

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Solution

The fourth proportional to 3,246.56, 4,869.84 and 1,605.14 is: 2,407.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.56 : 4,869.84 = 1,605.14 : x
  2. Step 2: Convert to fraction form
    3,246.56/4,869.84 = 1,605.14/x
  3. Step 3: Cross multiply
    3,246.56x = 4,869.84 × 1,605.14
  4. Step 4: Simplify right side
    3,246.56x = 7,816,774.98
  5. Step 5: Solve for x
    x = 7,816,774.98/3,246.56
  6. Step 6: Final answer
    x = 2,407.71

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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.