Home / 3,640.50-5,023.68-2,148.33

Finding the Fourth Proportional to 3,640.50, 5,023.68 and 2,148.33

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Solution

The fourth proportional to 3,640.50, 5,023.68 and 2,148.33 is: 2,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.50 : 5,023.68 = 2,148.33 : x
  2. Step 2: Convert to fraction form
    3,640.50/5,023.68 = 2,148.33/x
  3. Step 3: Cross multiply
    3,640.50x = 5,023.68 × 2,148.33
  4. Step 4: Simplify right side
    3,640.50x = 10,792,522.45
  5. Step 5: Solve for x
    x = 10,792,522.45/3,640.50
  6. Step 6: Final answer
    x = 2,964.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.