Home / 2,029.84-2,801.22-1,191.19

Finding the Fourth Proportional to 2,029.84, 2,801.22 and 1,191.19

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Solution

The fourth proportional to 2,029.84, 2,801.22 and 1,191.19 is: 1,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.84 : 2,801.22 = 1,191.19 : x
  2. Step 2: Convert to fraction form
    2,029.84/2,801.22 = 1,191.19/x
  3. Step 3: Cross multiply
    2,029.84x = 2,801.22 × 1,191.19
  4. Step 4: Simplify right side
    2,029.84x = 3,336,785.25
  5. Step 5: Solve for x
    x = 3,336,785.25/2,029.84
  6. Step 6: Final answer
    x = 1,643.87

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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.