Home / 2,914.08-4,022.16-1,969.44

Finding the Fourth Proportional to 2,914.08, 4,022.16 and 1,969.44

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Solution

The fourth proportional to 2,914.08, 4,022.16 and 1,969.44 is: 2,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.08 : 4,022.16 = 1,969.44 : x
  2. Step 2: Convert to fraction form
    2,914.08/4,022.16 = 1,969.44/x
  3. Step 3: Cross multiply
    2,914.08x = 4,022.16 × 1,969.44
  4. Step 4: Simplify right side
    2,914.08x = 7,921,402.79
  5. Step 5: Solve for x
    x = 7,921,402.79/2,914.08
  6. Step 6: Final answer
    x = 2,718.32

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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.