Home / 2,519.28-3,784.68-2,173.68

Finding the Fourth Proportional to 2,519.28, 3,784.68 and 2,173.68

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Solution

The fourth proportional to 2,519.28, 3,784.68 and 2,173.68 is: 3,265.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.28 : 3,784.68 = 2,173.68 : x
  2. Step 2: Convert to fraction form
    2,519.28/3,784.68 = 2,173.68/x
  3. Step 3: Cross multiply
    2,519.28x = 3,784.68 × 2,173.68
  4. Step 4: Simplify right side
    2,519.28x = 8,226,683.22
  5. Step 5: Solve for x
    x = 8,226,683.22/2,519.28
  6. Step 6: Final answer
    x = 3,265.49

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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.