Home / 3,074.08-4,242.42-1,676.92

Finding the Fourth Proportional to 3,074.08, 4,242.42 and 1,676.92

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Solution

The fourth proportional to 3,074.08, 4,242.42 and 1,676.92 is: 2,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.08 : 4,242.42 = 1,676.92 : x
  2. Step 2: Convert to fraction form
    3,074.08/4,242.42 = 1,676.92/x
  3. Step 3: Cross multiply
    3,074.08x = 4,242.42 × 1,676.92
  4. Step 4: Simplify right side
    3,074.08x = 7,114,198.95
  5. Step 5: Solve for x
    x = 7,114,198.95/3,074.08
  6. Step 6: Final answer
    x = 2,314.25

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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.