Home / 1,283.68-1,929.16-1,196.24

Finding the Fourth Proportional to 1,283.68, 1,929.16 and 1,196.24

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Solution

The fourth proportional to 1,283.68, 1,929.16 and 1,196.24 is: 1,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283.68 : 1,929.16 = 1,196.24 : x
  2. Step 2: Convert to fraction form
    1,283.68/1,929.16 = 1,196.24/x
  3. Step 3: Cross multiply
    1,283.68x = 1,929.16 × 1,196.24
  4. Step 4: Simplify right side
    1,283.68x = 2,307,738.36
  5. Step 5: Solve for x
    x = 2,307,738.36/1,283.68
  6. Step 6: Final answer
    x = 1,797.75

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1.5x scale

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.