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Finding the Fourth Proportional to 2,383.69, 3,575.60 and 652.32

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Solution

The fourth proportional to 2,383.69, 3,575.60 and 652.32 is: 978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.69 : 3,575.60 = 652.32 : x
  2. Step 2: Convert to fraction form
    2,383.69/3,575.60 = 652.32/x
  3. Step 3: Cross multiply
    2,383.69x = 3,575.60 × 652.32
  4. Step 4: Simplify right side
    2,383.69x = 2,332,435.39
  5. Step 5: Solve for x
    x = 2,332,435.39/2,383.69
  6. Step 6: Final answer
    x = 978.50

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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.