Home / 2,284.04-3,425.34-640.46

Finding the Fourth Proportional to 2,284.04, 3,425.34 and 640.46

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Solution

The fourth proportional to 2,284.04, 3,425.34 and 640.46 is: 960.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.04 : 3,425.34 = 640.46 : x
  2. Step 2: Convert to fraction form
    2,284.04/3,425.34 = 640.46/x
  3. Step 3: Cross multiply
    2,284.04x = 3,425.34 × 640.46
  4. Step 4: Simplify right side
    2,284.04x = 2,193,793.26
  5. Step 5: Solve for x
    x = 2,193,793.26/2,284.04
  6. Step 6: Final answer
    x = 960.49

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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.