Home / 3,009.60-4,517.44-1,778.24

Finding the Fourth Proportional to 3,009.60, 4,517.44 and 1,778.24

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Solution

The fourth proportional to 3,009.60, 4,517.44 and 1,778.24 is: 2,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.60 : 4,517.44 = 1,778.24 : x
  2. Step 2: Convert to fraction form
    3,009.60/4,517.44 = 1,778.24/x
  3. Step 3: Cross multiply
    3,009.60x = 4,517.44 × 1,778.24
  4. Step 4: Simplify right side
    3,009.60x = 8,033,092.51
  5. Step 5: Solve for x
    x = 8,033,092.51/3,009.60
  6. Step 6: Final answer
    x = 2,669.16

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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.