Home / 3,074.07-4,242.20-1,676.85

Finding the Fourth Proportional to 3,074.07, 4,242.20 and 1,676.85

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Solution

The fourth proportional to 3,074.07, 4,242.20 and 1,676.85 is: 2,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.07 : 4,242.20 = 1,676.85 : x
  2. Step 2: Convert to fraction form
    3,074.07/4,242.20 = 1,676.85/x
  3. Step 3: Cross multiply
    3,074.07x = 4,242.20 × 1,676.85
  4. Step 4: Simplify right side
    3,074.07x = 7,113,524.69
  5. Step 5: Solve for x
    x = 7,113,524.69/3,074.07
  6. Step 6: Final answer
    x = 2,314.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.