Home / 3,389.42-4,675.97-2,270.72

Finding the Fourth Proportional to 3,389.42, 4,675.97 and 2,270.72

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Solution

The fourth proportional to 3,389.42, 4,675.97 and 2,270.72 is: 3,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.42 : 4,675.97 = 2,270.72 : x
  2. Step 2: Convert to fraction form
    3,389.42/4,675.97 = 2,270.72/x
  3. Step 3: Cross multiply
    3,389.42x = 4,675.97 × 2,270.72
  4. Step 4: Simplify right side
    3,389.42x = 10,617,783.86
  5. Step 5: Solve for x
    x = 10,617,783.86/3,389.42
  6. Step 6: Final answer
    x = 3,132.63

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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.