Home / 2,080.76-2,869.42-1,583.44

Finding the Fourth Proportional to 2,080.76, 2,869.42 and 1,583.44

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Solution

The fourth proportional to 2,080.76, 2,869.42 and 1,583.44 is: 2,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.76 : 2,869.42 = 1,583.44 : x
  2. Step 2: Convert to fraction form
    2,080.76/2,869.42 = 1,583.44/x
  3. Step 3: Cross multiply
    2,080.76x = 2,869.42 × 1,583.44
  4. Step 4: Simplify right side
    2,080.76x = 4,543,554.40
  5. Step 5: Solve for x
    x = 4,543,554.40/2,080.76
  6. Step 6: Final answer
    x = 2,183.60

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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.