Home / 3,186.52-4,395.18-3,079.48

Finding the Fourth Proportional to 3,186.52, 4,395.18 and 3,079.48

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Solution

The fourth proportional to 3,186.52, 4,395.18 and 3,079.48 is: 4,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.52 : 4,395.18 = 3,079.48 : x
  2. Step 2: Convert to fraction form
    3,186.52/4,395.18 = 3,079.48/x
  3. Step 3: Cross multiply
    3,186.52x = 4,395.18 × 3,079.48
  4. Step 4: Simplify right side
    3,186.52x = 13,534,868.91
  5. Step 5: Solve for x
    x = 13,534,868.91/3,186.52
  6. Step 6: Final answer
    x = 4,247.54

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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.