Home / 2,689.53-4,032.57-1,283.37

Finding the Fourth Proportional to 2,689.53, 4,032.57 and 1,283.37

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Solution

The fourth proportional to 2,689.53, 4,032.57 and 1,283.37 is: 1,924.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689.53 : 4,032.57 = 1,283.37 : x
  2. Step 2: Convert to fraction form
    2,689.53/4,032.57 = 1,283.37/x
  3. Step 3: Cross multiply
    2,689.53x = 4,032.57 × 1,283.37
  4. Step 4: Simplify right side
    2,689.53x = 5,175,279.36
  5. Step 5: Solve for x
    x = 5,175,279.36/2,689.53
  6. Step 6: Final answer
    x = 1,924.23

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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.