Home / 2,351.15-3,244.57-1,356.42

Finding the Fourth Proportional to 2,351.15, 3,244.57 and 1,356.42

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Solution

The fourth proportional to 2,351.15, 3,244.57 and 1,356.42 is: 1,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.15 : 3,244.57 = 1,356.42 : x
  2. Step 2: Convert to fraction form
    2,351.15/3,244.57 = 1,356.42/x
  3. Step 3: Cross multiply
    2,351.15x = 3,244.57 × 1,356.42
  4. Step 4: Simplify right side
    2,351.15x = 4,400,999.64
  5. Step 5: Solve for x
    x = 4,400,999.64/2,351.15
  6. Step 6: Final answer
    x = 1,871.85

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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.