Home / 3,074.14-4,242.38-1,676.90

Finding the Fourth Proportional to 3,074.14, 4,242.38 and 1,676.90

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Solution

The fourth proportional to 3,074.14, 4,242.38 and 1,676.90 is: 2,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.14 : 4,242.38 = 1,676.90 : x
  2. Step 2: Convert to fraction form
    3,074.14/4,242.38 = 1,676.90/x
  3. Step 3: Cross multiply
    3,074.14x = 4,242.38 × 1,676.90
  4. Step 4: Simplify right side
    3,074.14x = 7,114,047.02
  5. Step 5: Solve for x
    x = 7,114,047.02/3,074.14
  6. Step 6: Final answer
    x = 2,314.16

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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.