Home / 3,848.31-5,310.36-2,519.91

Finding the Fourth Proportional to 3,848.31, 5,310.36 and 2,519.91

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Solution

The fourth proportional to 3,848.31, 5,310.36 and 2,519.91 is: 3,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.31 : 5,310.36 = 2,519.91 : x
  2. Step 2: Convert to fraction form
    3,848.31/5,310.36 = 2,519.91/x
  3. Step 3: Cross multiply
    3,848.31x = 5,310.36 × 2,519.91
  4. Step 4: Simplify right side
    3,848.31x = 13,381,629.27
  5. Step 5: Solve for x
    x = 13,381,629.27/3,848.31
  6. Step 6: Final answer
    x = 3,477.27

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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.