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Finding the Fourth Proportional to 2,097.97, 2,895.03 and 1,213.83

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Solution

The fourth proportional to 2,097.97, 2,895.03 and 1,213.83 is: 1,674.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.97 : 2,895.03 = 1,213.83 : x
  2. Step 2: Convert to fraction form
    2,097.97/2,895.03 = 1,213.83/x
  3. Step 3: Cross multiply
    2,097.97x = 2,895.03 × 1,213.83
  4. Step 4: Simplify right side
    2,097.97x = 3,514,074.26
  5. Step 5: Solve for x
    x = 3,514,074.26/2,097.97
  6. Step 6: Final answer
    x = 1,674.99

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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.