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Finding the Fourth Proportional to 3,354.34, 5,008.91 and 2,739.24

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Solution

The fourth proportional to 3,354.34, 5,008.91 and 2,739.24 is: 4,090.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.34 : 5,008.91 = 2,739.24 : x
  2. Step 2: Convert to fraction form
    3,354.34/5,008.91 = 2,739.24/x
  3. Step 3: Cross multiply
    3,354.34x = 5,008.91 × 2,739.24
  4. Step 4: Simplify right side
    3,354.34x = 13,720,613.48
  5. Step 5: Solve for x
    x = 13,720,613.48/3,354.34
  6. Step 6: Final answer
    x = 4,090.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.