Home / 2,088.74-2,882.09-1,249.77

Finding the Fourth Proportional to 2,088.74, 2,882.09 and 1,249.77

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Solution

The fourth proportional to 2,088.74, 2,882.09 and 1,249.77 is: 1,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.74 : 2,882.09 = 1,249.77 : x
  2. Step 2: Convert to fraction form
    2,088.74/2,882.09 = 1,249.77/x
  3. Step 3: Cross multiply
    2,088.74x = 2,882.09 × 1,249.77
  4. Step 4: Simplify right side
    2,088.74x = 3,601,943.37
  5. Step 5: Solve for x
    x = 3,601,943.37/2,088.74
  6. Step 6: Final answer
    x = 1,724.46

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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.