Home / 1,519.80-2,280.37-1,454.19

Finding the Fourth Proportional to 1,519.80, 2,280.37 and 1,454.19

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Solution

The fourth proportional to 1,519.80, 2,280.37 and 1,454.19 is: 2,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519.80 : 2,280.37 = 1,454.19 : x
  2. Step 2: Convert to fraction form
    1,519.80/2,280.37 = 1,454.19/x
  3. Step 3: Cross multiply
    1,519.80x = 2,280.37 × 1,454.19
  4. Step 4: Simplify right side
    1,519.80x = 3,316,091.25
  5. Step 5: Solve for x
    x = 3,316,091.25/1,519.80
  6. Step 6: Final answer
    x = 2,181.93

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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.