Home / 3,690.34-5,092.54-2,011.71

Finding the Fourth Proportional to 3,690.34, 5,092.54 and 2,011.71

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Solution

The fourth proportional to 3,690.34, 5,092.54 and 2,011.71 is: 2,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.34 : 5,092.54 = 2,011.71 : x
  2. Step 2: Convert to fraction form
    3,690.34/5,092.54 = 2,011.71/x
  3. Step 3: Cross multiply
    3,690.34x = 5,092.54 × 2,011.71
  4. Step 4: Simplify right side
    3,690.34x = 10,244,727.71
  5. Step 5: Solve for x
    x = 10,244,727.71/3,690.34
  6. Step 6: Final answer
    x = 2,776.10

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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.