Home / 3,658.05-5,487.93-1,192.86

Finding the Fourth Proportional to 3,658.05, 5,487.93 and 1,192.86

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Solution

The fourth proportional to 3,658.05, 5,487.93 and 1,192.86 is: 1,789.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.05 : 5,487.93 = 1,192.86 : x
  2. Step 2: Convert to fraction form
    3,658.05/5,487.93 = 1,192.86/x
  3. Step 3: Cross multiply
    3,658.05x = 5,487.93 × 1,192.86
  4. Step 4: Simplify right side
    3,658.05x = 6,546,332.18
  5. Step 5: Solve for x
    x = 6,546,332.18/3,658.05
  6. Step 6: Final answer
    x = 1,789.57

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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.