Home / 3,126.13-4,314.03-1,867.75

Finding the Fourth Proportional to 3,126.13, 4,314.03 and 1,867.75

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Solution

The fourth proportional to 3,126.13, 4,314.03 and 1,867.75 is: 2,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.13 : 4,314.03 = 1,867.75 : x
  2. Step 2: Convert to fraction form
    3,126.13/4,314.03 = 1,867.75/x
  3. Step 3: Cross multiply
    3,126.13x = 4,314.03 × 1,867.75
  4. Step 4: Simplify right side
    3,126.13x = 8,057,529.53
  5. Step 5: Solve for x
    x = 8,057,529.53/3,126.13
  6. Step 6: Final answer
    x = 2,577.48

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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.