Home / 3,137.83-4,703.58-1,968.66

Finding the Fourth Proportional to 3,137.83, 4,703.58 and 1,968.66

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Solution

The fourth proportional to 3,137.83, 4,703.58 and 1,968.66 is: 2,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.83 : 4,703.58 = 1,968.66 : x
  2. Step 2: Convert to fraction form
    3,137.83/4,703.58 = 1,968.66/x
  3. Step 3: Cross multiply
    3,137.83x = 4,703.58 × 1,968.66
  4. Step 4: Simplify right side
    3,137.83x = 9,259,749.80
  5. Step 5: Solve for x
    x = 9,259,749.80/3,137.83
  6. Step 6: Final answer
    x = 2,951.01

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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.