Home / 3,060.11-4,191.21-2,880.52

Finding the Fourth Proportional to 3,060.11, 4,191.21 and 2,880.52

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Solution

The fourth proportional to 3,060.11, 4,191.21 and 2,880.52 is: 3,945.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.11 : 4,191.21 = 2,880.52 : x
  2. Step 2: Convert to fraction form
    3,060.11/4,191.21 = 2,880.52/x
  3. Step 3: Cross multiply
    3,060.11x = 4,191.21 × 2,880.52
  4. Step 4: Simplify right side
    3,060.11x = 12,072,853.75
  5. Step 5: Solve for x
    x = 12,072,853.75/3,060.11
  6. Step 6: Final answer
    x = 3,945.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.