Home / 3,685.31-5,527.14-1,087.64

Finding the Fourth Proportional to 3,685.31, 5,527.14 and 1,087.64

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Solution

The fourth proportional to 3,685.31, 5,527.14 and 1,087.64 is: 1,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.31 : 5,527.14 = 1,087.64 : x
  2. Step 2: Convert to fraction form
    3,685.31/5,527.14 = 1,087.64/x
  3. Step 3: Cross multiply
    3,685.31x = 5,527.14 × 1,087.64
  4. Step 4: Simplify right side
    3,685.31x = 6,011,538.55
  5. Step 5: Solve for x
    x = 6,011,538.55/3,685.31
  6. Step 6: Final answer
    x = 1,631.22

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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.