Home / 2,204.60-3,042.06-1,320.08

Finding the Fourth Proportional to 2,204.60, 3,042.06 and 1,320.08

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Solution

The fourth proportional to 2,204.60, 3,042.06 and 1,320.08 is: 1,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.60 : 3,042.06 = 1,320.08 : x
  2. Step 2: Convert to fraction form
    2,204.60/3,042.06 = 1,320.08/x
  3. Step 3: Cross multiply
    2,204.60x = 3,042.06 × 1,320.08
  4. Step 4: Simplify right side
    2,204.60x = 4,015,762.56
  5. Step 5: Solve for x
    x = 4,015,762.56/2,204.60
  6. Step 6: Final answer
    x = 1,821.54

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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.