Home / 2,349.87-3,242.79-1,355.08

Finding the Fourth Proportional to 2,349.87, 3,242.79 and 1,355.08

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Solution

The fourth proportional to 2,349.87, 3,242.79 and 1,355.08 is: 1,869.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.87 : 3,242.79 = 1,355.08 : x
  2. Step 2: Convert to fraction form
    2,349.87/3,242.79 = 1,355.08/x
  3. Step 3: Cross multiply
    2,349.87x = 3,242.79 × 1,355.08
  4. Step 4: Simplify right side
    2,349.87x = 4,394,239.87
  5. Step 5: Solve for x
    x = 4,394,239.87/2,349.87
  6. Step 6: Final answer
    x = 1,869.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.