Home / 3,247.60-4,868.32-1,054.80

Finding the Fourth Proportional to 3,247.60, 4,868.32 and 1,054.80

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Solution

The fourth proportional to 3,247.60, 4,868.32 and 1,054.80 is: 1,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.60 : 4,868.32 = 1,054.80 : x
  2. Step 2: Convert to fraction form
    3,247.60/4,868.32 = 1,054.80/x
  3. Step 3: Cross multiply
    3,247.60x = 4,868.32 × 1,054.80
  4. Step 4: Simplify right side
    3,247.60x = 5,135,074.32
  5. Step 5: Solve for x
    x = 5,135,074.32/3,247.60
  6. Step 6: Final answer
    x = 1,581.19

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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.