Home / 1,940.43-2,908.32-899.02

Finding the Fourth Proportional to 1,940.43, 2,908.32 and 899.02

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Solution

The fourth proportional to 1,940.43, 2,908.32 and 899.02 is: 1,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.43 : 2,908.32 = 899.02 : x
  2. Step 2: Convert to fraction form
    1,940.43/2,908.32 = 899.02/x
  3. Step 3: Cross multiply
    1,940.43x = 2,908.32 × 899.02
  4. Step 4: Simplify right side
    1,940.43x = 2,614,637.85
  5. Step 5: Solve for x
    x = 2,614,637.85/1,940.43
  6. Step 6: Final answer
    x = 1,347.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.