Home / 2,224.10-3,337.14-764.30

Finding the Fourth Proportional to 2,224.10, 3,337.14 and 764.30

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Solution

The fourth proportional to 2,224.10, 3,337.14 and 764.30 is: 1,146.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.10 : 3,337.14 = 764.30 : x
  2. Step 2: Convert to fraction form
    2,224.10/3,337.14 = 764.30/x
  3. Step 3: Cross multiply
    2,224.10x = 3,337.14 × 764.30
  4. Step 4: Simplify right side
    2,224.10x = 2,550,576.10
  5. Step 5: Solve for x
    x = 2,550,576.10/2,224.10
  6. Step 6: Final answer
    x = 1,146.79

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1.5x scale

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.