Home / 2,869.09-3,952.53-2,696.83

Finding the Fourth Proportional to 2,869.09, 3,952.53 and 2,696.83

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Solution

The fourth proportional to 2,869.09, 3,952.53 and 2,696.83 is: 3,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.09 : 3,952.53 = 2,696.83 : x
  2. Step 2: Convert to fraction form
    2,869.09/3,952.53 = 2,696.83/x
  3. Step 3: Cross multiply
    2,869.09x = 3,952.53 × 2,696.83
  4. Step 4: Simplify right side
    2,869.09x = 10,659,301.48
  5. Step 5: Solve for x
    x = 10,659,301.48/2,869.09
  6. Step 6: Final answer
    x = 3,715.22

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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.