Home / 3,448.59-4,757.20-2,120.01

Finding the Fourth Proportional to 3,448.59, 4,757.20 and 2,120.01

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Solution

The fourth proportional to 3,448.59, 4,757.20 and 2,120.01 is: 2,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.59 : 4,757.20 = 2,120.01 : x
  2. Step 2: Convert to fraction form
    3,448.59/4,757.20 = 2,120.01/x
  3. Step 3: Cross multiply
    3,448.59x = 4,757.20 × 2,120.01
  4. Step 4: Simplify right side
    3,448.59x = 10,085,311.57
  5. Step 5: Solve for x
    x = 10,085,311.57/3,448.59
  6. Step 6: Final answer
    x = 2,924.47

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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.