Home / 3,438.99-4,744.04-2,177.91

Finding the Fourth Proportional to 3,438.99, 4,744.04 and 2,177.91

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Solution

The fourth proportional to 3,438.99, 4,744.04 and 2,177.91 is: 3,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.99 : 4,744.04 = 2,177.91 : x
  2. Step 2: Convert to fraction form
    3,438.99/4,744.04 = 2,177.91/x
  3. Step 3: Cross multiply
    3,438.99x = 4,744.04 × 2,177.91
  4. Step 4: Simplify right side
    3,438.99x = 10,332,081.27
  5. Step 5: Solve for x
    x = 10,332,081.27/3,438.99
  6. Step 6: Final answer
    x = 3,004.39

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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.