Home / 2,743.09-3,785.42-1,564.18

Finding the Fourth Proportional to 2,743.09, 3,785.42 and 1,564.18

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Solution

The fourth proportional to 2,743.09, 3,785.42 and 1,564.18 is: 2,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.09 : 3,785.42 = 1,564.18 : x
  2. Step 2: Convert to fraction form
    2,743.09/3,785.42 = 1,564.18/x
  3. Step 3: Cross multiply
    2,743.09x = 3,785.42 × 1,564.18
  4. Step 4: Simplify right side
    2,743.09x = 5,921,072.70
  5. Step 5: Solve for x
    x = 5,921,072.70/2,743.09
  6. Step 6: Final answer
    x = 2,158.54

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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.