Home / 2,150.62-3,225.90-816.68

Finding the Fourth Proportional to 2,150.62, 3,225.90 and 816.68

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Solution

The fourth proportional to 2,150.62, 3,225.90 and 816.68 is: 1,225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.62 : 3,225.90 = 816.68 : x
  2. Step 2: Convert to fraction form
    2,150.62/3,225.90 = 816.68/x
  3. Step 3: Cross multiply
    2,150.62x = 3,225.90 × 816.68
  4. Step 4: Simplify right side
    2,150.62x = 2,634,528.01
  5. Step 5: Solve for x
    x = 2,634,528.01/2,150.62
  6. Step 6: Final answer
    x = 1,225.01

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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.