Home / 1,447.30-2,169.60-582.22

Finding the Fourth Proportional to 1,447.30, 2,169.60 and 582.22

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Solution

The fourth proportional to 1,447.30, 2,169.60 and 582.22 is: 872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447.30 : 2,169.60 = 582.22 : x
  2. Step 2: Convert to fraction form
    1,447.30/2,169.60 = 582.22/x
  3. Step 3: Cross multiply
    1,447.30x = 2,169.60 × 582.22
  4. Step 4: Simplify right side
    1,447.30x = 1,263,184.51
  5. Step 5: Solve for x
    x = 1,263,184.51/1,447.30
  6. Step 6: Final answer
    x = 872.79

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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.