Home / 3,162.36-4,362.12-2,042.88

Finding the Fourth Proportional to 3,162.36, 4,362.12 and 2,042.88

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Solution

The fourth proportional to 3,162.36, 4,362.12 and 2,042.88 is: 2,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.36 : 4,362.12 = 2,042.88 : x
  2. Step 2: Convert to fraction form
    3,162.36/4,362.12 = 2,042.88/x
  3. Step 3: Cross multiply
    3,162.36x = 4,362.12 × 2,042.88
  4. Step 4: Simplify right side
    3,162.36x = 8,911,287.71
  5. Step 5: Solve for x
    x = 8,911,287.71/3,162.36
  6. Step 6: Final answer
    x = 2,817.92

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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.