Home / 2,151.85-3,223.98-1,532.36

Finding the Fourth Proportional to 2,151.85, 3,223.98 and 1,532.36

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Solution

The fourth proportional to 2,151.85, 3,223.98 and 1,532.36 is: 2,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.85 : 3,223.98 = 1,532.36 : x
  2. Step 2: Convert to fraction form
    2,151.85/3,223.98 = 1,532.36/x
  3. Step 3: Cross multiply
    2,151.85x = 3,223.98 × 1,532.36
  4. Step 4: Simplify right side
    2,151.85x = 4,940,297.99
  5. Step 5: Solve for x
    x = 4,940,297.99/2,151.85
  6. Step 6: Final answer
    x = 2,295.84

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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.