Home / 1,236.08-1,860.98-1,033.76

Finding the Fourth Proportional to 1,236.08, 1,860.98 and 1,033.76

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Solution

The fourth proportional to 1,236.08, 1,860.98 and 1,033.76 is: 1,556.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236.08 : 1,860.98 = 1,033.76 : x
  2. Step 2: Convert to fraction form
    1,236.08/1,860.98 = 1,033.76/x
  3. Step 3: Cross multiply
    1,236.08x = 1,860.98 × 1,033.76
  4. Step 4: Simplify right side
    1,236.08x = 1,923,806.68
  5. Step 5: Solve for x
    x = 1,923,806.68/1,236.08
  6. Step 6: Final answer
    x = 1,556.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.