Home / 3,149.79-4,742.99-2,333.85

Finding the Fourth Proportional to 3,149.79, 4,742.99 and 2,333.85

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Solution

The fourth proportional to 3,149.79, 4,742.99 and 2,333.85 is: 3,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.79 : 4,742.99 = 2,333.85 : x
  2. Step 2: Convert to fraction form
    3,149.79/4,742.99 = 2,333.85/x
  3. Step 3: Cross multiply
    3,149.79x = 4,742.99 × 2,333.85
  4. Step 4: Simplify right side
    3,149.79x = 11,069,427.21
  5. Step 5: Solve for x
    x = 11,069,427.21/3,149.79
  6. Step 6: Final answer
    x = 3,514.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.