Home / 1,976.29-2,962.99-1,142.18

Finding the Fourth Proportional to 1,976.29, 2,962.99 and 1,142.18

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Solution

The fourth proportional to 1,976.29, 2,962.99 and 1,142.18 is: 1,712.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.29 : 2,962.99 = 1,142.18 : x
  2. Step 2: Convert to fraction form
    1,976.29/2,962.99 = 1,142.18/x
  3. Step 3: Cross multiply
    1,976.29x = 2,962.99 × 1,142.18
  4. Step 4: Simplify right side
    1,976.29x = 3,384,260.52
  5. Step 5: Solve for x
    x = 3,384,260.52/1,976.29
  6. Step 6: Final answer
    x = 1,712.43

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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.