Home / 3,072.60-4,243.86-2,445.26

Finding the Fourth Proportional to 3,072.60, 4,243.86 and 2,445.26

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Solution

The fourth proportional to 3,072.60, 4,243.86 and 2,445.26 is: 3,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.60 : 4,243.86 = 2,445.26 : x
  2. Step 2: Convert to fraction form
    3,072.60/4,243.86 = 2,445.26/x
  3. Step 3: Cross multiply
    3,072.60x = 4,243.86 × 2,445.26
  4. Step 4: Simplify right side
    3,072.60x = 10,377,319.88
  5. Step 5: Solve for x
    x = 10,377,319.88/3,072.60
  6. Step 6: Final answer
    x = 3,377.37

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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.