Home / 2,842.20-3,922.17-1,583.25

Finding the Fourth Proportional to 2,842.20, 3,922.17 and 1,583.25

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Solution

The fourth proportional to 2,842.20, 3,922.17 and 1,583.25 is: 2,184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.20 : 3,922.17 = 1,583.25 : x
  2. Step 2: Convert to fraction form
    2,842.20/3,922.17 = 1,583.25/x
  3. Step 3: Cross multiply
    2,842.20x = 3,922.17 × 1,583.25
  4. Step 4: Simplify right side
    2,842.20x = 6,209,756.04
  5. Step 5: Solve for x
    x = 6,209,756.04/2,842.20
  6. Step 6: Final answer
    x = 2,184.85

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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.