Home / 3,602.13-5,399.97-1,412.39

Finding the Fourth Proportional to 3,602.13, 5,399.97 and 1,412.39

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Solution

The fourth proportional to 3,602.13, 5,399.97 and 1,412.39 is: 2,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.13 : 5,399.97 = 1,412.39 : x
  2. Step 2: Convert to fraction form
    3,602.13/5,399.97 = 1,412.39/x
  3. Step 3: Cross multiply
    3,602.13x = 5,399.97 × 1,412.39
  4. Step 4: Simplify right side
    3,602.13x = 7,626,836.63
  5. Step 5: Solve for x
    x = 7,626,836.63/3,602.13
  6. Step 6: Final answer
    x = 2,117.31

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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.