Home / 3,249.96-4,877.10-1,518.72

Finding the Fourth Proportional to 3,249.96, 4,877.10 and 1,518.72

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Solution

The fourth proportional to 3,249.96, 4,877.10 and 1,518.72 is: 2,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.96 : 4,877.10 = 1,518.72 : x
  2. Step 2: Convert to fraction form
    3,249.96/4,877.10 = 1,518.72/x
  3. Step 3: Cross multiply
    3,249.96x = 4,877.10 × 1,518.72
  4. Step 4: Simplify right side
    3,249.96x = 7,406,949.31
  5. Step 5: Solve for x
    x = 7,406,949.31/3,249.96
  6. Step 6: Final answer
    x = 2,279.09

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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.