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Finding the Fourth Proportional to 1,348.53, 2,020.94 and 1,019.19

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Solution

The fourth proportional to 1,348.53, 2,020.94 and 1,019.19 is: 1,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.53 : 2,020.94 = 1,019.19 : x
  2. Step 2: Convert to fraction form
    1,348.53/2,020.94 = 1,019.19/x
  3. Step 3: Cross multiply
    1,348.53x = 2,020.94 × 1,019.19
  4. Step 4: Simplify right side
    1,348.53x = 2,059,728.14
  5. Step 5: Solve for x
    x = 2,059,728.14/1,348.53
  6. Step 6: Final answer
    x = 1,527.39

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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.