Home / 2,754.27-4,124.35-1,520.31

Finding the Fourth Proportional to 2,754.27, 4,124.35 and 1,520.31

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Solution

The fourth proportional to 2,754.27, 4,124.35 and 1,520.31 is: 2,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.27 : 4,124.35 = 1,520.31 : x
  2. Step 2: Convert to fraction form
    2,754.27/4,124.35 = 1,520.31/x
  3. Step 3: Cross multiply
    2,754.27x = 4,124.35 × 1,520.31
  4. Step 4: Simplify right side
    2,754.27x = 6,270,290.55
  5. Step 5: Solve for x
    x = 6,270,290.55/2,754.27
  6. Step 6: Final answer
    x = 2,276.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.