Home / 1,922.98-2,653.76-1,137.04

Finding the Fourth Proportional to 1,922.98, 2,653.76 and 1,137.04

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Solution

The fourth proportional to 1,922.98, 2,653.76 and 1,137.04 is: 1,569.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.98 : 2,653.76 = 1,137.04 : x
  2. Step 2: Convert to fraction form
    1,922.98/2,653.76 = 1,137.04/x
  3. Step 3: Cross multiply
    1,922.98x = 2,653.76 × 1,137.04
  4. Step 4: Simplify right side
    1,922.98x = 3,017,425.59
  5. Step 5: Solve for x
    x = 3,017,425.59/1,922.98
  6. Step 6: Final answer
    x = 1,569.14

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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.