Home / 2,087.27-2,879.25-1,301.77

Finding the Fourth Proportional to 2,087.27, 2,879.25 and 1,301.77

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Solution

The fourth proportional to 2,087.27, 2,879.25 and 1,301.77 is: 1,795.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.27 : 2,879.25 = 1,301.77 : x
  2. Step 2: Convert to fraction form
    2,087.27/2,879.25 = 1,301.77/x
  3. Step 3: Cross multiply
    2,087.27x = 2,879.25 × 1,301.77
  4. Step 4: Simplify right side
    2,087.27x = 3,748,119.99
  5. Step 5: Solve for x
    x = 3,748,119.99/2,087.27
  6. Step 6: Final answer
    x = 1,795.71

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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.