Home / 2,081.95-2,873.07-1,150.45

Finding the Fourth Proportional to 2,081.95, 2,873.07 and 1,150.45

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Solution

The fourth proportional to 2,081.95, 2,873.07 and 1,150.45 is: 1,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.95 : 2,873.07 = 1,150.45 : x
  2. Step 2: Convert to fraction form
    2,081.95/2,873.07 = 1,150.45/x
  3. Step 3: Cross multiply
    2,081.95x = 2,873.07 × 1,150.45
  4. Step 4: Simplify right side
    2,081.95x = 3,305,323.38
  5. Step 5: Solve for x
    x = 3,305,323.38/2,081.95
  6. Step 6: Final answer
    x = 1,587.61

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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.