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Finding the Fourth Proportional to 2,019.12, 3,020.52 and 1,498.80

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Solution

The fourth proportional to 2,019.12, 3,020.52 and 1,498.80 is: 2,242.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.12 : 3,020.52 = 1,498.80 : x
  2. Step 2: Convert to fraction form
    2,019.12/3,020.52 = 1,498.80/x
  3. Step 3: Cross multiply
    2,019.12x = 3,020.52 × 1,498.80
  4. Step 4: Simplify right side
    2,019.12x = 4,527,155.38
  5. Step 5: Solve for x
    x = 4,527,155.38/2,019.12
  6. Step 6: Final answer
    x = 2,242.14

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