Home / 1,919.82-2,880.27-1,042.14

Finding the Fourth Proportional to 1,919.82, 2,880.27 and 1,042.14

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Solution

The fourth proportional to 1,919.82, 2,880.27 and 1,042.14 is: 1,563.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.82 : 2,880.27 = 1,042.14 : x
  2. Step 2: Convert to fraction form
    1,919.82/2,880.27 = 1,042.14/x
  3. Step 3: Cross multiply
    1,919.82x = 2,880.27 × 1,042.14
  4. Step 4: Simplify right side
    1,919.82x = 3,001,644.58
  5. Step 5: Solve for x
    x = 3,001,644.58/1,919.82
  6. Step 6: Final answer
    x = 1,563.50

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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.