Home / 2,388.98-3,297.80-2,239.52

Finding the Fourth Proportional to 2,388.98, 3,297.80 and 2,239.52

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Solution

The fourth proportional to 2,388.98, 3,297.80 and 2,239.52 is: 3,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.98 : 3,297.80 = 2,239.52 : x
  2. Step 2: Convert to fraction form
    2,388.98/3,297.80 = 2,239.52/x
  3. Step 3: Cross multiply
    2,388.98x = 3,297.80 × 2,239.52
  4. Step 4: Simplify right side
    2,388.98x = 7,385,489.06
  5. Step 5: Solve for x
    x = 7,385,489.06/2,388.98
  6. Step 6: Final answer
    x = 3,091.48

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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.