Home / 3,009.20-4,513.92-1,448.80

Finding the Fourth Proportional to 3,009.20, 4,513.92 and 1,448.80

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Solution

The fourth proportional to 3,009.20, 4,513.92 and 1,448.80 is: 2,173.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.20 : 4,513.92 = 1,448.80 : x
  2. Step 2: Convert to fraction form
    3,009.20/4,513.92 = 1,448.80/x
  3. Step 3: Cross multiply
    3,009.20x = 4,513.92 × 1,448.80
  4. Step 4: Simplify right side
    3,009.20x = 6,539,767.30
  5. Step 5: Solve for x
    x = 6,539,767.30/3,009.20
  6. Step 6: Final answer
    x = 2,173.26

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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.