Home / 1,933.84-2,895.24-1,283.28

Finding the Fourth Proportional to 1,933.84, 2,895.24 and 1,283.28

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Solution

The fourth proportional to 1,933.84, 2,895.24 and 1,283.28 is: 1,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.84 : 2,895.24 = 1,283.28 : x
  2. Step 2: Convert to fraction form
    1,933.84/2,895.24 = 1,283.28/x
  3. Step 3: Cross multiply
    1,933.84x = 2,895.24 × 1,283.28
  4. Step 4: Simplify right side
    1,933.84x = 3,715,403.59
  5. Step 5: Solve for x
    x = 3,715,403.59/1,933.84
  6. Step 6: Final answer
    x = 1,921.26

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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.