Home / 3,521.64-5,290.85-2,061.81

Finding the Fourth Proportional to 3,521.64, 5,290.85 and 2,061.81

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Solution

The fourth proportional to 3,521.64, 5,290.85 and 2,061.81 is: 3,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.64 : 5,290.85 = 2,061.81 : x
  2. Step 2: Convert to fraction form
    3,521.64/5,290.85 = 2,061.81/x
  3. Step 3: Cross multiply
    3,521.64x = 5,290.85 × 2,061.81
  4. Step 4: Simplify right side
    3,521.64x = 10,908,727.44
  5. Step 5: Solve for x
    x = 10,908,727.44/3,521.64
  6. Step 6: Final answer
    x = 3,097.63

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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.