Home / 2,351.30-3,245.12-1,356.56

Finding the Fourth Proportional to 2,351.30, 3,245.12 and 1,356.56

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Solution

The fourth proportional to 2,351.30, 3,245.12 and 1,356.56 is: 1,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.30 : 3,245.12 = 1,356.56 : x
  2. Step 2: Convert to fraction form
    2,351.30/3,245.12 = 1,356.56/x
  3. Step 3: Cross multiply
    2,351.30x = 3,245.12 × 1,356.56
  4. Step 4: Simplify right side
    2,351.30x = 4,402,176.98
  5. Step 5: Solve for x
    x = 4,402,176.98/2,351.30
  6. Step 6: Final answer
    x = 1,872.24

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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.