Home / 3,257.32-4,887.96-1,408.92

Finding the Fourth Proportional to 3,257.32, 4,887.96 and 1,408.92

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Solution

The fourth proportional to 3,257.32, 4,887.96 and 1,408.92 is: 2,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.32 : 4,887.96 = 1,408.92 : x
  2. Step 2: Convert to fraction form
    3,257.32/4,887.96 = 1,408.92/x
  3. Step 3: Cross multiply
    3,257.32x = 4,887.96 × 1,408.92
  4. Step 4: Simplify right side
    3,257.32x = 6,886,744.60
  5. Step 5: Solve for x
    x = 6,886,744.60/3,257.32
  6. Step 6: Final answer
    x = 2,114.24

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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.