Home / 2,971.26-4,100.18-1,626.80

Finding the Fourth Proportional to 2,971.26, 4,100.18 and 1,626.80

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Solution

The fourth proportional to 2,971.26, 4,100.18 and 1,626.80 is: 2,244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.26 : 4,100.18 = 1,626.80 : x
  2. Step 2: Convert to fraction form
    2,971.26/4,100.18 = 1,626.80/x
  3. Step 3: Cross multiply
    2,971.26x = 4,100.18 × 1,626.80
  4. Step 4: Simplify right side
    2,971.26x = 6,670,144.19
  5. Step 5: Solve for x
    x = 6,670,144.19/2,971.26
  6. Step 6: Final answer
    x = 2,244.89

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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.