Home / 2,821.53-4,223.34-2,297.06

Finding the Fourth Proportional to 2,821.53, 4,223.34 and 2,297.06

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Solution

The fourth proportional to 2,821.53, 4,223.34 and 2,297.06 is: 3,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.53 : 4,223.34 = 2,297.06 : x
  2. Step 2: Convert to fraction form
    2,821.53/4,223.34 = 2,297.06/x
  3. Step 3: Cross multiply
    2,821.53x = 4,223.34 × 2,297.06
  4. Step 4: Simplify right side
    2,821.53x = 9,701,260.10
  5. Step 5: Solve for x
    x = 9,701,260.10/2,821.53
  6. Step 6: Final answer
    x = 3,438.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.