Home / 1,467.15-2,200.38-426.91

Finding the Fourth Proportional to 1,467.15, 2,200.38 and 426.91

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Solution

The fourth proportional to 1,467.15, 2,200.38 and 426.91 is: 640.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.15 : 2,200.38 = 426.91 : x
  2. Step 2: Convert to fraction form
    1,467.15/2,200.38 = 426.91/x
  3. Step 3: Cross multiply
    1,467.15x = 2,200.38 × 426.91
  4. Step 4: Simplify right side
    1,467.15x = 939,364.23
  5. Step 5: Solve for x
    x = 939,364.23/1,467.15
  6. Step 6: Final answer
    x = 640.26

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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.