Home / 3,181.37-4,771.13-1,332.43

Finding the Fourth Proportional to 3,181.37, 4,771.13 and 1,332.43

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Solution

The fourth proportional to 3,181.37, 4,771.13 and 1,332.43 is: 1,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.37 : 4,771.13 = 1,332.43 : x
  2. Step 2: Convert to fraction form
    3,181.37/4,771.13 = 1,332.43/x
  3. Step 3: Cross multiply
    3,181.37x = 4,771.13 × 1,332.43
  4. Step 4: Simplify right side
    3,181.37x = 6,357,178.16
  5. Step 5: Solve for x
    x = 6,357,178.16/3,181.37
  6. Step 6: Final answer
    x = 1,998.25

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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.