Home / 1,943.28-2,914.94-1,555.75

Finding the Fourth Proportional to 1,943.28, 2,914.94 and 1,555.75

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Solution

The fourth proportional to 1,943.28, 2,914.94 and 1,555.75 is: 2,333.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.28 : 2,914.94 = 1,555.75 : x
  2. Step 2: Convert to fraction form
    1,943.28/2,914.94 = 1,555.75/x
  3. Step 3: Cross multiply
    1,943.28x = 2,914.94 × 1,555.75
  4. Step 4: Simplify right side
    1,943.28x = 4,534,903.33
  5. Step 5: Solve for x
    x = 4,534,903.33/1,943.28
  6. Step 6: Final answer
    x = 2,333.63

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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.