Home / 2,310.46-3,191.09-1,683.79

Finding the Fourth Proportional to 2,310.46, 3,191.09 and 1,683.79

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Solution

The fourth proportional to 2,310.46, 3,191.09 and 1,683.79 is: 2,325.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.46 : 3,191.09 = 1,683.79 : x
  2. Step 2: Convert to fraction form
    2,310.46/3,191.09 = 1,683.79/x
  3. Step 3: Cross multiply
    2,310.46x = 3,191.09 × 1,683.79
  4. Step 4: Simplify right side
    2,310.46x = 5,373,125.43
  5. Step 5: Solve for x
    x = 5,373,125.43/2,310.46
  6. Step 6: Final answer
    x = 2,325.57

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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.