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Finding the Fourth Proportional to 2,297.39, 3,445.37 and 998.51

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Solution

The fourth proportional to 2,297.39, 3,445.37 and 998.51 is: 1,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.39 : 3,445.37 = 998.51 : x
  2. Step 2: Convert to fraction form
    2,297.39/3,445.37 = 998.51/x
  3. Step 3: Cross multiply
    2,297.39x = 3,445.37 × 998.51
  4. Step 4: Simplify right side
    2,297.39x = 3,440,231.41
  5. Step 5: Solve for x
    x = 3,440,231.41/2,297.39
  6. Step 6: Final answer
    x = 1,497.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.