Home / 2,080.24-2,869.54-1,229.74

Finding the Fourth Proportional to 2,080.24, 2,869.54 and 1,229.74

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Solution

The fourth proportional to 2,080.24, 2,869.54 and 1,229.74 is: 1,696.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.24 : 2,869.54 = 1,229.74 : x
  2. Step 2: Convert to fraction form
    2,080.24/2,869.54 = 1,229.74/x
  3. Step 3: Cross multiply
    2,080.24x = 2,869.54 × 1,229.74
  4. Step 4: Simplify right side
    2,080.24x = 3,528,777.87
  5. Step 5: Solve for x
    x = 3,528,777.87/2,080.24
  6. Step 6: Final answer
    x = 1,696.33

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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.