Home / 3,448.62-4,756.68-2,120.58

Finding the Fourth Proportional to 3,448.62, 4,756.68 and 2,120.58

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Solution

The fourth proportional to 3,448.62, 4,756.68 and 2,120.58 is: 2,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.62 : 4,756.68 = 2,120.58 : x
  2. Step 2: Convert to fraction form
    3,448.62/4,756.68 = 2,120.58/x
  3. Step 3: Cross multiply
    3,448.62x = 4,756.68 × 2,120.58
  4. Step 4: Simplify right side
    3,448.62x = 10,086,920.47
  5. Step 5: Solve for x
    x = 10,086,920.47/3,448.62
  6. Step 6: Final answer
    x = 2,924.92

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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.