Home / 3,685.14-5,528.25-1,087.74

Finding the Fourth Proportional to 3,685.14, 5,528.25 and 1,087.74

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Solution

The fourth proportional to 3,685.14, 5,528.25 and 1,087.74 is: 1,631.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.14 : 5,528.25 = 1,087.74 : x
  2. Step 2: Convert to fraction form
    3,685.14/5,528.25 = 1,087.74/x
  3. Step 3: Cross multiply
    3,685.14x = 5,528.25 × 1,087.74
  4. Step 4: Simplify right side
    3,685.14x = 6,013,298.66
  5. Step 5: Solve for x
    x = 6,013,298.66/3,685.14
  6. Step 6: Final answer
    x = 1,631.77

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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.