Home / 1,989.26-2,982.98-602.34

Finding the Fourth Proportional to 1,989.26, 2,982.98 and 602.34

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Solution

The fourth proportional to 1,989.26, 2,982.98 and 602.34 is: 903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989.26 : 2,982.98 = 602.34 : x
  2. Step 2: Convert to fraction form
    1,989.26/2,982.98 = 602.34/x
  3. Step 3: Cross multiply
    1,989.26x = 2,982.98 × 602.34
  4. Step 4: Simplify right side
    1,989.26x = 1,796,755.10
  5. Step 5: Solve for x
    x = 1,796,755.10/1,989.26
  6. Step 6: Final answer
    x = 903.23

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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.