Home / 3,601.76-5,401.40-2,215.71

Finding the Fourth Proportional to 3,601.76, 5,401.40 and 2,215.71

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Solution

The fourth proportional to 3,601.76, 5,401.40 and 2,215.71 is: 3,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.76 : 5,401.40 = 2,215.71 : x
  2. Step 2: Convert to fraction form
    3,601.76/5,401.40 = 2,215.71/x
  3. Step 3: Cross multiply
    3,601.76x = 5,401.40 × 2,215.71
  4. Step 4: Simplify right side
    3,601.76x = 11,967,924.92
  5. Step 5: Solve for x
    x = 11,967,924.92/3,601.76
  6. Step 6: Final answer
    x = 3,322.80

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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.