Home / 2,499.28-3,748.92-1,019.12

Finding the Fourth Proportional to 2,499.28, 3,748.92 and 1,019.12

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Solution

The fourth proportional to 2,499.28, 3,748.92 and 1,019.12 is: 1,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499.28 : 3,748.92 = 1,019.12 : x
  2. Step 2: Convert to fraction form
    2,499.28/3,748.92 = 1,019.12/x
  3. Step 3: Cross multiply
    2,499.28x = 3,748.92 × 1,019.12
  4. Step 4: Simplify right side
    2,499.28x = 3,820,599.35
  5. Step 5: Solve for x
    x = 3,820,599.35/2,499.28
  6. Step 6: Final answer
    x = 1,528.68

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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.