Home / 3,074.79-4,243.46-2,513.68

Finding the Fourth Proportional to 3,074.79, 4,243.46 and 2,513.68

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Solution

The fourth proportional to 3,074.79, 4,243.46 and 2,513.68 is: 3,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.79 : 4,243.46 = 2,513.68 : x
  2. Step 2: Convert to fraction form
    3,074.79/4,243.46 = 2,513.68/x
  3. Step 3: Cross multiply
    3,074.79x = 4,243.46 × 2,513.68
  4. Step 4: Simplify right side
    3,074.79x = 10,666,722.43
  5. Step 5: Solve for x
    x = 10,666,722.43/3,074.79
  6. Step 6: Final answer
    x = 3,469.10

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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.