Home / 3,108.12-4,666.77-2,074.56

Finding the Fourth Proportional to 3,108.12, 4,666.77 and 2,074.56

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Solution

The fourth proportional to 3,108.12, 4,666.77 and 2,074.56 is: 3,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.12 : 4,666.77 = 2,074.56 : x
  2. Step 2: Convert to fraction form
    3,108.12/4,666.77 = 2,074.56/x
  3. Step 3: Cross multiply
    3,108.12x = 4,666.77 × 2,074.56
  4. Step 4: Simplify right side
    3,108.12x = 9,681,494.37
  5. Step 5: Solve for x
    x = 9,681,494.37/3,108.12
  6. Step 6: Final answer
    x = 3,114.90

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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.