Home / 2,164.16-2,986.80-1,232.48

Finding the Fourth Proportional to 2,164.16, 2,986.80 and 1,232.48

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Solution

The fourth proportional to 2,164.16, 2,986.80 and 1,232.48 is: 1,700.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.16 : 2,986.80 = 1,232.48 : x
  2. Step 2: Convert to fraction form
    2,164.16/2,986.80 = 1,232.48/x
  3. Step 3: Cross multiply
    2,164.16x = 2,986.80 × 1,232.48
  4. Step 4: Simplify right side
    2,164.16x = 3,681,171.26
  5. Step 5: Solve for x
    x = 3,681,171.26/2,164.16
  6. Step 6: Final answer
    x = 1,700.97

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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.