Home / 2,436.72-3,362.66-1,317.65

Finding the Fourth Proportional to 2,436.72, 3,362.66 and 1,317.65

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Solution

The fourth proportional to 2,436.72, 3,362.66 and 1,317.65 is: 1,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,436.72 : 3,362.66 = 1,317.65 : x
  2. Step 2: Convert to fraction form
    2,436.72/3,362.66 = 1,317.65/x
  3. Step 3: Cross multiply
    2,436.72x = 3,362.66 × 1,317.65
  4. Step 4: Simplify right side
    2,436.72x = 4,430,790.49
  5. Step 5: Solve for x
    x = 4,430,790.49/2,436.72
  6. Step 6: Final answer
    x = 1,818.34

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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.