Home / 2,198.95-3,035.46-1,314.88

Finding the Fourth Proportional to 2,198.95, 3,035.46 and 1,314.88

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Solution

The fourth proportional to 2,198.95, 3,035.46 and 1,314.88 is: 1,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198.95 : 3,035.46 = 1,314.88 : x
  2. Step 2: Convert to fraction form
    2,198.95/3,035.46 = 1,314.88/x
  3. Step 3: Cross multiply
    2,198.95x = 3,035.46 × 1,314.88
  4. Step 4: Simplify right side
    2,198.95x = 3,991,265.64
  5. Step 5: Solve for x
    x = 3,991,265.64/2,198.95
  6. Step 6: Final answer
    x = 1,815.08

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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.