Home / 2,886.39-3,983.22-1,707.54

Finding the Fourth Proportional to 2,886.39, 3,983.22 and 1,707.54

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Solution

The fourth proportional to 2,886.39, 3,983.22 and 1,707.54 is: 2,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886.39 : 3,983.22 = 1,707.54 : x
  2. Step 2: Convert to fraction form
    2,886.39/3,983.22 = 1,707.54/x
  3. Step 3: Cross multiply
    2,886.39x = 3,983.22 × 1,707.54
  4. Step 4: Simplify right side
    2,886.39x = 6,801,507.48
  5. Step 5: Solve for x
    x = 6,801,507.48/2,886.39
  6. Step 6: Final answer
    x = 2,356.41

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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.