Home / 2,841.16-3,920.77-1,582.22

Finding the Fourth Proportional to 2,841.16, 3,920.77 and 1,582.22

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Solution

The fourth proportional to 2,841.16, 3,920.77 and 1,582.22 is: 2,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.16 : 3,920.77 = 1,582.22 : x
  2. Step 2: Convert to fraction form
    2,841.16/3,920.77 = 1,582.22/x
  3. Step 3: Cross multiply
    2,841.16x = 3,920.77 × 1,582.22
  4. Step 4: Simplify right side
    2,841.16x = 6,203,520.71
  5. Step 5: Solve for x
    x = 6,203,520.71/2,841.16
  6. Step 6: Final answer
    x = 2,183.45

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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.