Home / 2,841.57-3,921.27-1,582.63

Finding the Fourth Proportional to 2,841.57, 3,921.27 and 1,582.63

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Solution

The fourth proportional to 2,841.57, 3,921.27 and 1,582.63 is: 2,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.57 : 3,921.27 = 1,582.63 : x
  2. Step 2: Convert to fraction form
    2,841.57/3,921.27 = 1,582.63/x
  3. Step 3: Cross multiply
    2,841.57x = 3,921.27 × 1,582.63
  4. Step 4: Simplify right side
    2,841.57x = 6,205,919.54
  5. Step 5: Solve for x
    x = 6,205,919.54/2,841.57
  6. Step 6: Final answer
    x = 2,183.98

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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.