Home / 3,490.26-5,233.98-1,408.92

Finding the Fourth Proportional to 3,490.26, 5,233.98 and 1,408.92

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Solution

The fourth proportional to 3,490.26, 5,233.98 and 1,408.92 is: 2,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.26 : 5,233.98 = 1,408.92 : x
  2. Step 2: Convert to fraction form
    3,490.26/5,233.98 = 1,408.92/x
  3. Step 3: Cross multiply
    3,490.26x = 5,233.98 × 1,408.92
  4. Step 4: Simplify right side
    3,490.26x = 7,374,259.10
  5. Step 5: Solve for x
    x = 7,374,259.10/3,490.26
  6. Step 6: Final answer
    x = 2,112.81

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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.