Home / 1,982.60-2,734.58-1,609.58

Finding the Fourth Proportional to 1,982.60, 2,734.58 and 1,609.58

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Solution

The fourth proportional to 1,982.60, 2,734.58 and 1,609.58 is: 2,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982.60 : 2,734.58 = 1,609.58 : x
  2. Step 2: Convert to fraction form
    1,982.60/2,734.58 = 1,609.58/x
  3. Step 3: Cross multiply
    1,982.60x = 2,734.58 × 1,609.58
  4. Step 4: Simplify right side
    1,982.60x = 4,401,525.28
  5. Step 5: Solve for x
    x = 4,401,525.28/1,982.60
  6. Step 6: Final answer
    x = 2,220.08

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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.