Home / 2,609.01-3,914.60-1,569.65

Finding the Fourth Proportional to 2,609.01, 3,914.60 and 1,569.65

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Solution

The fourth proportional to 2,609.01, 3,914.60 and 1,569.65 is: 2,355.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.01 : 3,914.60 = 1,569.65 : x
  2. Step 2: Convert to fraction form
    2,609.01/3,914.60 = 1,569.65/x
  3. Step 3: Cross multiply
    2,609.01x = 3,914.60 × 1,569.65
  4. Step 4: Simplify right side
    2,609.01x = 6,144,524.47
  5. Step 5: Solve for x
    x = 6,144,524.47/2,609.01
  6. Step 6: Final answer
    x = 2,355.12

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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.