Home / 2,697.45-3,722.46-1,518.51

Finding the Fourth Proportional to 2,697.45, 3,722.46 and 1,518.51

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Solution

The fourth proportional to 2,697.45, 3,722.46 and 1,518.51 is: 2,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.45 : 3,722.46 = 1,518.51 : x
  2. Step 2: Convert to fraction form
    2,697.45/3,722.46 = 1,518.51/x
  3. Step 3: Cross multiply
    2,697.45x = 3,722.46 × 1,518.51
  4. Step 4: Simplify right side
    2,697.45x = 5,652,601.00
  5. Step 5: Solve for x
    x = 5,652,601.00/2,697.45
  6. Step 6: Final answer
    x = 2,095.54

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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.