Home / 2,162.08-2,983.55-1,277.97

Finding the Fourth Proportional to 2,162.08, 2,983.55 and 1,277.97

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Solution

The fourth proportional to 2,162.08, 2,983.55 and 1,277.97 is: 1,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.08 : 2,983.55 = 1,277.97 : x
  2. Step 2: Convert to fraction form
    2,162.08/2,983.55 = 1,277.97/x
  3. Step 3: Cross multiply
    2,162.08x = 2,983.55 × 1,277.97
  4. Step 4: Simplify right side
    2,162.08x = 3,812,879.93
  5. Step 5: Solve for x
    x = 3,812,879.93/2,162.08
  6. Step 6: Final answer
    x = 1,763.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.