Home / 3,684.80-5,528.07-1,087.74

Finding the Fourth Proportional to 3,684.80, 5,528.07 and 1,087.74

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Solution

The fourth proportional to 3,684.80, 5,528.07 and 1,087.74 is: 1,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.80 : 5,528.07 = 1,087.74 : x
  2. Step 2: Convert to fraction form
    3,684.80/5,528.07 = 1,087.74/x
  3. Step 3: Cross multiply
    3,684.80x = 5,528.07 × 1,087.74
  4. Step 4: Simplify right side
    3,684.80x = 6,013,102.86
  5. Step 5: Solve for x
    x = 6,013,102.86/3,684.80
  6. Step 6: Final answer
    x = 1,631.87

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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.