Home / 2,169.06-2,992.02-1,330.14

Finding the Fourth Proportional to 2,169.06, 2,992.02 and 1,330.14

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Solution

The fourth proportional to 2,169.06, 2,992.02 and 1,330.14 is: 1,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.06 : 2,992.02 = 1,330.14 : x
  2. Step 2: Convert to fraction form
    2,169.06/2,992.02 = 1,330.14/x
  3. Step 3: Cross multiply
    2,169.06x = 2,992.02 × 1,330.14
  4. Step 4: Simplify right side
    2,169.06x = 3,979,805.48
  5. Step 5: Solve for x
    x = 3,979,805.48/2,169.06
  6. Step 6: Final answer
    x = 1,834.81

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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.