Home / 3,945.10-5,902.80-2,357.94

Finding the Fourth Proportional to 3,945.10, 5,902.80 and 2,357.94

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Solution

The fourth proportional to 3,945.10, 5,902.80 and 2,357.94 is: 3,528.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.10 : 5,902.80 = 2,357.94 : x
  2. Step 2: Convert to fraction form
    3,945.10/5,902.80 = 2,357.94/x
  3. Step 3: Cross multiply
    3,945.10x = 5,902.80 × 2,357.94
  4. Step 4: Simplify right side
    3,945.10x = 13,918,448.23
  5. Step 5: Solve for x
    x = 13,918,448.23/3,945.10
  6. Step 6: Final answer
    x = 3,528.03

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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.