Home / 3,161.66-4,364.32-2,829.51

Finding the Fourth Proportional to 3,161.66, 4,364.32 and 2,829.51

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Solution

The fourth proportional to 3,161.66, 4,364.32 and 2,829.51 is: 3,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.66 : 4,364.32 = 2,829.51 : x
  2. Step 2: Convert to fraction form
    3,161.66/4,364.32 = 2,829.51/x
  3. Step 3: Cross multiply
    3,161.66x = 4,364.32 × 2,829.51
  4. Step 4: Simplify right side
    3,161.66x = 12,348,869.06
  5. Step 5: Solve for x
    x = 12,348,869.06/3,161.66
  6. Step 6: Final answer
    x = 3,905.82

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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.