Home / 3,551.53-5,324.28-1,990.27

Finding the Fourth Proportional to 3,551.53, 5,324.28 and 1,990.27

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Solution

The fourth proportional to 3,551.53, 5,324.28 and 1,990.27 is: 2,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.53 : 5,324.28 = 1,990.27 : x
  2. Step 2: Convert to fraction form
    3,551.53/5,324.28 = 1,990.27/x
  3. Step 3: Cross multiply
    3,551.53x = 5,324.28 × 1,990.27
  4. Step 4: Simplify right side
    3,551.53x = 10,596,754.76
  5. Step 5: Solve for x
    x = 10,596,754.76/3,551.53
  6. Step 6: Final answer
    x = 2,983.72

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Double scale
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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.