Home / 3,512.40-4,845.66-2,095.79

Finding the Fourth Proportional to 3,512.40, 4,845.66 and 2,095.79

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Solution

The fourth proportional to 3,512.40, 4,845.66 and 2,095.79 is: 2,891.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.40 : 4,845.66 = 2,095.79 : x
  2. Step 2: Convert to fraction form
    3,512.40/4,845.66 = 2,095.79/x
  3. Step 3: Cross multiply
    3,512.40x = 4,845.66 × 2,095.79
  4. Step 4: Simplify right side
    3,512.40x = 10,155,461.54
  5. Step 5: Solve for x
    x = 10,155,461.54/3,512.40
  6. Step 6: Final answer
    x = 2,891.32

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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.