Home / 2,163.76-2,986.16-1,232.24

Finding the Fourth Proportional to 2,163.76, 2,986.16 and 1,232.24

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Solution

The fourth proportional to 2,163.76, 2,986.16 and 1,232.24 is: 1,700.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.76 : 2,986.16 = 1,232.24 : x
  2. Step 2: Convert to fraction form
    2,163.76/2,986.16 = 1,232.24/x
  3. Step 3: Cross multiply
    2,163.76x = 2,986.16 × 1,232.24
  4. Step 4: Simplify right side
    2,163.76x = 3,679,665.80
  5. Step 5: Solve for x
    x = 3,679,665.80/2,163.76
  6. Step 6: Final answer
    x = 1,700.59

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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.