Home / 2,098.14-2,895.31-1,213.88

Finding the Fourth Proportional to 2,098.14, 2,895.31 and 1,213.88

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Solution

The fourth proportional to 2,098.14, 2,895.31 and 1,213.88 is: 1,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.14 : 2,895.31 = 1,213.88 : x
  2. Step 2: Convert to fraction form
    2,098.14/2,895.31 = 1,213.88/x
  3. Step 3: Cross multiply
    2,098.14x = 2,895.31 × 1,213.88
  4. Step 4: Simplify right side
    2,098.14x = 3,514,558.90
  5. Step 5: Solve for x
    x = 3,514,558.90/2,098.14
  6. Step 6: Final answer
    x = 1,675.08

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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.