Home / 3,212.13-4,434.82-2,875.44

Finding the Fourth Proportional to 3,212.13, 4,434.82 and 2,875.44

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Solution

The fourth proportional to 3,212.13, 4,434.82 and 2,875.44 is: 3,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.13 : 4,434.82 = 2,875.44 : x
  2. Step 2: Convert to fraction form
    3,212.13/4,434.82 = 2,875.44/x
  3. Step 3: Cross multiply
    3,212.13x = 4,434.82 × 2,875.44
  4. Step 4: Simplify right side
    3,212.13x = 12,752,051.63
  5. Step 5: Solve for x
    x = 12,752,051.63/3,212.13
  6. Step 6: Final answer
    x = 3,969.97

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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.