Home / 2,056.46-3,081.93-1,325.66

Finding the Fourth Proportional to 2,056.46, 3,081.93 and 1,325.66

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Solution

The fourth proportional to 2,056.46, 3,081.93 and 1,325.66 is: 1,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.46 : 3,081.93 = 1,325.66 : x
  2. Step 2: Convert to fraction form
    2,056.46/3,081.93 = 1,325.66/x
  3. Step 3: Cross multiply
    2,056.46x = 3,081.93 × 1,325.66
  4. Step 4: Simplify right side
    2,056.46x = 4,085,591.32
  5. Step 5: Solve for x
    x = 4,085,591.32/2,056.46
  6. Step 6: Final answer
    x = 1,986.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.