Home / 1,905.45-2,630.79-1,462.56

Finding the Fourth Proportional to 1,905.45, 2,630.79 and 1,462.56

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Solution

The fourth proportional to 1,905.45, 2,630.79 and 1,462.56 is: 2,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.45 : 2,630.79 = 1,462.56 : x
  2. Step 2: Convert to fraction form
    1,905.45/2,630.79 = 1,462.56/x
  3. Step 3: Cross multiply
    1,905.45x = 2,630.79 × 1,462.56
  4. Step 4: Simplify right side
    1,905.45x = 3,847,688.22
  5. Step 5: Solve for x
    x = 3,847,688.22/1,905.45
  6. Step 6: Final answer
    x = 2,019.31

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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.