Home / 2,318.15-3,198.53-1,373.46

Finding the Fourth Proportional to 2,318.15, 3,198.53 and 1,373.46

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Solution

The fourth proportional to 2,318.15, 3,198.53 and 1,373.46 is: 1,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.15 : 3,198.53 = 1,373.46 : x
  2. Step 2: Convert to fraction form
    2,318.15/3,198.53 = 1,373.46/x
  3. Step 3: Cross multiply
    2,318.15x = 3,198.53 × 1,373.46
  4. Step 4: Simplify right side
    2,318.15x = 4,393,046.15
  5. Step 5: Solve for x
    x = 4,393,046.15/2,318.15
  6. Step 6: Final answer
    x = 1,895.07

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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.