Home / 2,395.12-3,596.32-1,986.88

Finding the Fourth Proportional to 2,395.12, 3,596.32 and 1,986.88

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Solution

The fourth proportional to 2,395.12, 3,596.32 and 1,986.88 is: 2,983.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.12 : 3,596.32 = 1,986.88 : x
  2. Step 2: Convert to fraction form
    2,395.12/3,596.32 = 1,986.88/x
  3. Step 3: Cross multiply
    2,395.12x = 3,596.32 × 1,986.88
  4. Step 4: Simplify right side
    2,395.12x = 7,145,456.28
  5. Step 5: Solve for x
    x = 7,145,456.28/2,395.12
  6. Step 6: Final answer
    x = 2,983.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.