Home / 1,447.71-2,171.57-1,016.79

Finding the Fourth Proportional to 1,447.71, 2,171.57 and 1,016.79

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Solution

The fourth proportional to 1,447.71, 2,171.57 and 1,016.79 is: 1,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.71 : 2,171.57 = 1,016.79 : x
  2. Step 2: Convert to fraction form
    1,447.71/2,171.57 = 1,016.79/x
  3. Step 3: Cross multiply
    1,447.71x = 2,171.57 × 1,016.79
  4. Step 4: Simplify right side
    1,447.71x = 2,208,041.35
  5. Step 5: Solve for x
    x = 2,208,041.35/1,447.71
  6. Step 6: Final answer
    x = 1,525.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.