Home / 2,164.12-2,986.62-1,232.68

Finding the Fourth Proportional to 2,164.12, 2,986.62 and 1,232.68

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Solution

The fourth proportional to 2,164.12, 2,986.62 and 1,232.68 is: 1,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.12 : 2,986.62 = 1,232.68 : x
  2. Step 2: Convert to fraction form
    2,164.12/2,986.62 = 1,232.68/x
  3. Step 3: Cross multiply
    2,164.12x = 2,986.62 × 1,232.68
  4. Step 4: Simplify right side
    2,164.12x = 3,681,546.74
  5. Step 5: Solve for x
    x = 3,681,546.74/2,164.12
  6. Step 6: Final answer
    x = 1,701.17

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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.