Home / 2,119.06-3,179.13-965.62

Finding the Fourth Proportional to 2,119.06, 3,179.13 and 965.62

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Solution

The fourth proportional to 2,119.06, 3,179.13 and 965.62 is: 1,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.06 : 3,179.13 = 965.62 : x
  2. Step 2: Convert to fraction form
    2,119.06/3,179.13 = 965.62/x
  3. Step 3: Cross multiply
    2,119.06x = 3,179.13 × 965.62
  4. Step 4: Simplify right side
    2,119.06x = 3,069,831.51
  5. Step 5: Solve for x
    x = 3,069,831.51/2,119.06
  6. Step 6: Final answer
    x = 1,448.68

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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.