Home / 2,351.21-3,244.66-1,356.49

Finding the Fourth Proportional to 2,351.21, 3,244.66 and 1,356.49

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Solution

The fourth proportional to 2,351.21, 3,244.66 and 1,356.49 is: 1,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.21 : 3,244.66 = 1,356.49 : x
  2. Step 2: Convert to fraction form
    2,351.21/3,244.66 = 1,356.49/x
  3. Step 3: Cross multiply
    2,351.21x = 3,244.66 × 1,356.49
  4. Step 4: Simplify right side
    2,351.21x = 4,401,325.84
  5. Step 5: Solve for x
    x = 4,401,325.84/2,351.21
  6. Step 6: Final answer
    x = 1,871.94

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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.