Home / 4,212.30-5,815.31-2,534.11

Finding the Fourth Proportional to 4,212.30, 5,815.31 and 2,534.11

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Solution

The fourth proportional to 4,212.30, 5,815.31 and 2,534.11 is: 3,498.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.30 : 5,815.31 = 2,534.11 : x
  2. Step 2: Convert to fraction form
    4,212.30/5,815.31 = 2,534.11/x
  3. Step 3: Cross multiply
    4,212.30x = 5,815.31 × 2,534.11
  4. Step 4: Simplify right side
    4,212.30x = 14,736,635.22
  5. Step 5: Solve for x
    x = 14,736,635.22/4,212.30
  6. Step 6: Final answer
    x = 3,498.48

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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.