Home / 3,448.03-4,758.31-2,031.78

Finding the Fourth Proportional to 3,448.03, 4,758.31 and 2,031.78

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Solution

The fourth proportional to 3,448.03, 4,758.31 and 2,031.78 is: 2,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.03 : 4,758.31 = 2,031.78 : x
  2. Step 2: Convert to fraction form
    3,448.03/4,758.31 = 2,031.78/x
  3. Step 3: Cross multiply
    3,448.03x = 4,758.31 × 2,031.78
  4. Step 4: Simplify right side
    3,448.03x = 9,667,839.09
  5. Step 5: Solve for x
    x = 9,667,839.09/3,448.03
  6. Step 6: Final answer
    x = 2,803.87

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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.