Home / 2,358.36-3,537.70-819.16

Finding the Fourth Proportional to 2,358.36, 3,537.70 and 819.16

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Solution

The fourth proportional to 2,358.36, 3,537.70 and 819.16 is: 1,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,358.36 : 3,537.70 = 819.16 : x
  2. Step 2: Convert to fraction form
    2,358.36/3,537.70 = 819.16/x
  3. Step 3: Cross multiply
    2,358.36x = 3,537.70 × 819.16
  4. Step 4: Simplify right side
    2,358.36x = 2,897,942.33
  5. Step 5: Solve for x
    x = 2,897,942.33/2,358.36
  6. Step 6: Final answer
    x = 1,228.80

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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.