Home / 2,753.43-4,126.41-1,518.99

Finding the Fourth Proportional to 2,753.43, 4,126.41 and 1,518.99

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Solution

The fourth proportional to 2,753.43, 4,126.41 and 1,518.99 is: 2,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.43 : 4,126.41 = 1,518.99 : x
  2. Step 2: Convert to fraction form
    2,753.43/4,126.41 = 1,518.99/x
  3. Step 3: Cross multiply
    2,753.43x = 4,126.41 × 1,518.99
  4. Step 4: Simplify right side
    2,753.43x = 6,267,975.53
  5. Step 5: Solve for x
    x = 6,267,975.53/2,753.43
  6. Step 6: Final answer
    x = 2,276.42

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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.