Home / 3,448.92-4,757.80-2,120.52

Finding the Fourth Proportional to 3,448.92, 4,757.80 and 2,120.52

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Solution

The fourth proportional to 3,448.92, 4,757.80 and 2,120.52 is: 2,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.92 : 4,757.80 = 2,120.52 : x
  2. Step 2: Convert to fraction form
    3,448.92/4,757.80 = 2,120.52/x
  3. Step 3: Cross multiply
    3,448.92x = 4,757.80 × 2,120.52
  4. Step 4: Simplify right side
    3,448.92x = 10,089,010.06
  5. Step 5: Solve for x
    x = 10,089,010.06/3,448.92
  6. Step 6: Final answer
    x = 2,925.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.