Home / 3,394.57-5,090.63-2,665.57

Finding the Fourth Proportional to 3,394.57, 5,090.63 and 2,665.57

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Solution

The fourth proportional to 3,394.57, 5,090.63 and 2,665.57 is: 3,997.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.57 : 5,090.63 = 2,665.57 : x
  2. Step 2: Convert to fraction form
    3,394.57/5,090.63 = 2,665.57/x
  3. Step 3: Cross multiply
    3,394.57x = 5,090.63 × 2,665.57
  4. Step 4: Simplify right side
    3,394.57x = 13,569,430.61
  5. Step 5: Solve for x
    x = 13,569,430.61/3,394.57
  6. Step 6: Final answer
    x = 3,997.39

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1.5x scale

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.