Home / 1,454.14-2,020.67-1,439.16

Finding the Fourth Proportional to 1,454.14, 2,020.67 and 1,439.16

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Solution

The fourth proportional to 1,454.14, 2,020.67 and 1,439.16 is: 1,999.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.14 : 2,020.67 = 1,439.16 : x
  2. Step 2: Convert to fraction form
    1,454.14/2,020.67 = 1,439.16/x
  3. Step 3: Cross multiply
    1,454.14x = 2,020.67 × 1,439.16
  4. Step 4: Simplify right side
    1,454.14x = 2,908,067.44
  5. Step 5: Solve for x
    x = 2,908,067.44/1,454.14
  6. Step 6: Final answer
    x = 1,999.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.