Home / 2,842.85-3,922.66-1,583.62

Finding the Fourth Proportional to 2,842.85, 3,922.66 and 1,583.62

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Solution

The fourth proportional to 2,842.85, 3,922.66 and 1,583.62 is: 2,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.85 : 3,922.66 = 1,583.62 : x
  2. Step 2: Convert to fraction form
    2,842.85/3,922.66 = 1,583.62/x
  3. Step 3: Cross multiply
    2,842.85x = 3,922.66 × 1,583.62
  4. Step 4: Simplify right side
    2,842.85x = 6,211,995.00
  5. Step 5: Solve for x
    x = 6,211,995.00/2,842.85
  6. Step 6: Final answer
    x = 2,185.13

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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.