Home / 3,393.19-5,090.45-1,445.34

Finding the Fourth Proportional to 3,393.19, 5,090.45 and 1,445.34

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Solution

The fourth proportional to 3,393.19, 5,090.45 and 1,445.34 is: 2,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.19 : 5,090.45 = 1,445.34 : x
  2. Step 2: Convert to fraction form
    3,393.19/5,090.45 = 1,445.34/x
  3. Step 3: Cross multiply
    3,393.19x = 5,090.45 × 1,445.34
  4. Step 4: Simplify right side
    3,393.19x = 7,357,442.87
  5. Step 5: Solve for x
    x = 7,357,442.87/3,393.19
  6. Step 6: Final answer
    x = 2,168.30

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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.