Home / 2,743.30-3,785.85-1,564.18

Finding the Fourth Proportional to 2,743.30, 3,785.85 and 1,564.18

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Solution

The fourth proportional to 2,743.30, 3,785.85 and 1,564.18 is: 2,158.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.30 : 3,785.85 = 1,564.18 : x
  2. Step 2: Convert to fraction form
    2,743.30/3,785.85 = 1,564.18/x
  3. Step 3: Cross multiply
    2,743.30x = 3,785.85 × 1,564.18
  4. Step 4: Simplify right side
    2,743.30x = 5,921,750.85
  5. Step 5: Solve for x
    x = 5,921,750.85/2,743.30
  6. Step 6: Final answer
    x = 2,158.62

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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.