Home / 2,707.28-3,733.45-1,645.22

Finding the Fourth Proportional to 2,707.28, 3,733.45 and 1,645.22

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Solution

The fourth proportional to 2,707.28, 3,733.45 and 1,645.22 is: 2,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.28 : 3,733.45 = 1,645.22 : x
  2. Step 2: Convert to fraction form
    2,707.28/3,733.45 = 1,645.22/x
  3. Step 3: Cross multiply
    2,707.28x = 3,733.45 × 1,645.22
  4. Step 4: Simplify right side
    2,707.28x = 6,142,346.61
  5. Step 5: Solve for x
    x = 6,142,346.61/2,707.28
  6. Step 6: Final answer
    x = 2,268.83

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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.