Home / 3,819.07-5,270.04-2,140.24

Finding the Fourth Proportional to 3,819.07, 5,270.04 and 2,140.24

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Solution

The fourth proportional to 3,819.07, 5,270.04 and 2,140.24 is: 2,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.07 : 5,270.04 = 2,140.24 : x
  2. Step 2: Convert to fraction form
    3,819.07/5,270.04 = 2,140.24/x
  3. Step 3: Cross multiply
    3,819.07x = 5,270.04 × 2,140.24
  4. Step 4: Simplify right side
    3,819.07x = 11,279,150.41
  5. Step 5: Solve for x
    x = 11,279,150.41/3,819.07
  6. Step 6: Final answer
    x = 2,953.38

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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.