Home / 1,620.30-2,236.33-1,052.34

Finding the Fourth Proportional to 1,620.30, 2,236.33 and 1,052.34

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Solution

The fourth proportional to 1,620.30, 2,236.33 and 1,052.34 is: 1,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620.30 : 2,236.33 = 1,052.34 : x
  2. Step 2: Convert to fraction form
    1,620.30/2,236.33 = 1,052.34/x
  3. Step 3: Cross multiply
    1,620.30x = 2,236.33 × 1,052.34
  4. Step 4: Simplify right side
    1,620.30x = 2,353,377.37
  5. Step 5: Solve for x
    x = 2,353,377.37/1,620.30
  6. Step 6: Final answer
    x = 1,452.44

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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.