Home / 3,161.48-4,364.12-2,042.51

Finding the Fourth Proportional to 3,161.48, 4,364.12 and 2,042.51

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Solution

The fourth proportional to 3,161.48, 4,364.12 and 2,042.51 is: 2,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.48 : 4,364.12 = 2,042.51 : x
  2. Step 2: Convert to fraction form
    3,161.48/4,364.12 = 2,042.51/x
  3. Step 3: Cross multiply
    3,161.48x = 4,364.12 × 2,042.51
  4. Step 4: Simplify right side
    3,161.48x = 8,913,742.03
  5. Step 5: Solve for x
    x = 8,913,742.03/3,161.48
  6. Step 6: Final answer
    x = 2,819.49

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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.