Home / 2,150.26-2,967.88-1,219.30

Finding the Fourth Proportional to 2,150.26, 2,967.88 and 1,219.30

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Solution

The fourth proportional to 2,150.26, 2,967.88 and 1,219.30 is: 1,682.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.26 : 2,967.88 = 1,219.30 : x
  2. Step 2: Convert to fraction form
    2,150.26/2,967.88 = 1,219.30/x
  3. Step 3: Cross multiply
    2,150.26x = 2,967.88 × 1,219.30
  4. Step 4: Simplify right side
    2,150.26x = 3,618,736.08
  5. Step 5: Solve for x
    x = 3,618,736.08/2,150.26
  6. Step 6: Final answer
    x = 1,682.93

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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.