Home / 2,257.10-3,384.40-696.67

Finding the Fourth Proportional to 2,257.10, 3,384.40 and 696.67

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Solution

The fourth proportional to 2,257.10, 3,384.40 and 696.67 is: 1,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.10 : 3,384.40 = 696.67 : x
  2. Step 2: Convert to fraction form
    2,257.10/3,384.40 = 696.67/x
  3. Step 3: Cross multiply
    2,257.10x = 3,384.40 × 696.67
  4. Step 4: Simplify right side
    2,257.10x = 2,357,801.05
  5. Step 5: Solve for x
    x = 2,357,801.05/2,257.10
  6. Step 6: Final answer
    x = 1,044.61

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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.