Home / 3,342.20-5,013.29-1,393.34

Finding the Fourth Proportional to 3,342.20, 5,013.29 and 1,393.34

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Solution

The fourth proportional to 3,342.20, 5,013.29 and 1,393.34 is: 2,090.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.20 : 5,013.29 = 1,393.34 : x
  2. Step 2: Convert to fraction form
    3,342.20/5,013.29 = 1,393.34/x
  3. Step 3: Cross multiply
    3,342.20x = 5,013.29 × 1,393.34
  4. Step 4: Simplify right side
    3,342.20x = 6,985,195.91
  5. Step 5: Solve for x
    x = 6,985,195.91/3,342.20
  6. Step 6: Final answer
    x = 2,090.00

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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.