Home / 3,685.72-5,529.14-1,088.76

Finding the Fourth Proportional to 3,685.72, 5,529.14 and 1,088.76

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Solution

The fourth proportional to 3,685.72, 5,529.14 and 1,088.76 is: 1,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.72 : 5,529.14 = 1,088.76 : x
  2. Step 2: Convert to fraction form
    3,685.72/5,529.14 = 1,088.76/x
  3. Step 3: Cross multiply
    3,685.72x = 5,529.14 × 1,088.76
  4. Step 4: Simplify right side
    3,685.72x = 6,019,906.47
  5. Step 5: Solve for x
    x = 6,019,906.47/3,685.72
  6. Step 6: Final answer
    x = 1,633.31

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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.