Home / 3,004.48-4,507.20-1,772.80

Finding the Fourth Proportional to 3,004.48, 4,507.20 and 1,772.80

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Solution

The fourth proportional to 3,004.48, 4,507.20 and 1,772.80 is: 2,659.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.48 : 4,507.20 = 1,772.80 : x
  2. Step 2: Convert to fraction form
    3,004.48/4,507.20 = 1,772.80/x
  3. Step 3: Cross multiply
    3,004.48x = 4,507.20 × 1,772.80
  4. Step 4: Simplify right side
    3,004.48x = 7,990,364.16
  5. Step 5: Solve for x
    x = 7,990,364.16/3,004.48
  6. Step 6: Final answer
    x = 2,659.48

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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.