Home / 3,212.07-4,434.77-2,151.19

Finding the Fourth Proportional to 3,212.07, 4,434.77 and 2,151.19

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Solution

The fourth proportional to 3,212.07, 4,434.77 and 2,151.19 is: 2,970.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.07 : 4,434.77 = 2,151.19 : x
  2. Step 2: Convert to fraction form
    3,212.07/4,434.77 = 2,151.19/x
  3. Step 3: Cross multiply
    3,212.07x = 4,434.77 × 2,151.19
  4. Step 4: Simplify right side
    3,212.07x = 9,540,032.88
  5. Step 5: Solve for x
    x = 9,540,032.88/3,212.07
  6. Step 6: Final answer
    x = 2,970.06

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Half scale
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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.