Home / 3,902.05-5,842.80-2,338.35

Finding the Fourth Proportional to 3,902.05, 5,842.80 and 2,338.35

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Solution

The fourth proportional to 3,902.05, 5,842.80 and 2,338.35 is: 3,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.05 : 5,842.80 = 2,338.35 : x
  2. Step 2: Convert to fraction form
    3,902.05/5,842.80 = 2,338.35/x
  3. Step 3: Cross multiply
    3,902.05x = 5,842.80 × 2,338.35
  4. Step 4: Simplify right side
    3,902.05x = 13,662,489.47
  5. Step 5: Solve for x
    x = 13,662,489.47/3,902.05
  6. Step 6: Final answer
    x = 3,501.36

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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.