Home / 3,743.28-5,616.72-2,011.68

Finding the Fourth Proportional to 3,743.28, 5,616.72 and 2,011.68

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Solution

The fourth proportional to 3,743.28, 5,616.72 and 2,011.68 is: 3,018.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743.28 : 5,616.72 = 2,011.68 : x
  2. Step 2: Convert to fraction form
    3,743.28/5,616.72 = 2,011.68/x
  3. Step 3: Cross multiply
    3,743.28x = 5,616.72 × 2,011.68
  4. Step 4: Simplify right side
    3,743.28x = 11,299,043.29
  5. Step 5: Solve for x
    x = 11,299,043.29/3,743.28
  6. Step 6: Final answer
    x = 3,018.49

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1.5x scale

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.