Home / 3,358.92-5,030-2,122.60

Finding the Fourth Proportional to 3,358.92, 5,030 and 2,122.60

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Solution

The fourth proportional to 3,358.92, 5,030 and 2,122.60 is: 3,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.92 : 5,030 = 2,122.60 : x
  2. Step 2: Convert to fraction form
    3,358.92/5,030 = 2,122.60/x
  3. Step 3: Cross multiply
    3,358.92x = 5,030 × 2,122.60
  4. Step 4: Simplify right side
    3,358.92x = 10,676,678
  5. Step 5: Solve for x
    x = 10,676,678/3,358.92
  6. Step 6: Final answer
    x = 3,178.60

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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.