Home / 2,183.60-3,276.75-885.08

Finding the Fourth Proportional to 2,183.60, 3,276.75 and 885.08

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Solution

The fourth proportional to 2,183.60, 3,276.75 and 885.08 is: 1,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.60 : 3,276.75 = 885.08 : x
  2. Step 2: Convert to fraction form
    2,183.60/3,276.75 = 885.08/x
  3. Step 3: Cross multiply
    2,183.60x = 3,276.75 × 885.08
  4. Step 4: Simplify right side
    2,183.60x = 2,900,185.89
  5. Step 5: Solve for x
    x = 2,900,185.89/2,183.60
  6. Step 6: Final answer
    x = 1,328.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.