Home / 3,837.80-5,297.70-2,442.28

Finding the Fourth Proportional to 3,837.80, 5,297.70 and 2,442.28

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Solution

The fourth proportional to 3,837.80, 5,297.70 and 2,442.28 is: 3,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.80 : 5,297.70 = 2,442.28 : x
  2. Step 2: Convert to fraction form
    3,837.80/5,297.70 = 2,442.28/x
  3. Step 3: Cross multiply
    3,837.80x = 5,297.70 × 2,442.28
  4. Step 4: Simplify right side
    3,837.80x = 12,938,466.76
  5. Step 5: Solve for x
    x = 12,938,466.76/3,837.80
  6. Step 6: Final answer
    x = 3,371.32

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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.