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Finding the Fourth Proportional to 3,393.34, 5,090.04 and 1,202.10

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Solution

The fourth proportional to 3,393.34, 5,090.04 and 1,202.10 is: 1,803.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.34 : 5,090.04 = 1,202.10 : x
  2. Step 2: Convert to fraction form
    3,393.34/5,090.04 = 1,202.10/x
  3. Step 3: Cross multiply
    3,393.34x = 5,090.04 × 1,202.10
  4. Step 4: Simplify right side
    3,393.34x = 6,118,737.08
  5. Step 5: Solve for x
    x = 6,118,737.08/3,393.34
  6. Step 6: Final answer
    x = 1,803.16

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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.