Home / 3,126.11-4,314.56-1,867.22

Finding the Fourth Proportional to 3,126.11, 4,314.56 and 1,867.22

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Solution

The fourth proportional to 3,126.11, 4,314.56 and 1,867.22 is: 2,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.11 : 4,314.56 = 1,867.22 : x
  2. Step 2: Convert to fraction form
    3,126.11/4,314.56 = 1,867.22/x
  3. Step 3: Cross multiply
    3,126.11x = 4,314.56 × 1,867.22
  4. Step 4: Simplify right side
    3,126.11x = 8,056,232.72
  5. Step 5: Solve for x
    x = 8,056,232.72/3,126.11
  6. Step 6: Final answer
    x = 2,577.08

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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.