Home / 3,902.37-5,853.39-1,128.98

Finding the Fourth Proportional to 3,902.37, 5,853.39 and 1,128.98

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Solution

The fourth proportional to 3,902.37, 5,853.39 and 1,128.98 is: 1,693.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.37 : 5,853.39 = 1,128.98 : x
  2. Step 2: Convert to fraction form
    3,902.37/5,853.39 = 1,128.98/x
  3. Step 3: Cross multiply
    3,902.37x = 5,853.39 × 1,128.98
  4. Step 4: Simplify right side
    3,902.37x = 6,608,354.60
  5. Step 5: Solve for x
    x = 6,608,354.60/3,902.37
  6. Step 6: Final answer
    x = 1,693.42

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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.