Home / 2,016.51-2,782.68-1,353.27

Finding the Fourth Proportional to 2,016.51, 2,782.68 and 1,353.27

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Solution

The fourth proportional to 2,016.51, 2,782.68 and 1,353.27 is: 1,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,016.51 : 2,782.68 = 1,353.27 : x
  2. Step 2: Convert to fraction form
    2,016.51/2,782.68 = 1,353.27/x
  3. Step 3: Cross multiply
    2,016.51x = 2,782.68 × 1,353.27
  4. Step 4: Simplify right side
    2,016.51x = 3,765,717.36
  5. Step 5: Solve for x
    x = 3,765,717.36/2,016.51
  6. Step 6: Final answer
    x = 1,867.44

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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.