Home / 1,891.49-2,610.36-1,183.77

Finding the Fourth Proportional to 1,891.49, 2,610.36 and 1,183.77

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Solution

The fourth proportional to 1,891.49, 2,610.36 and 1,183.77 is: 1,633.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.49 : 2,610.36 = 1,183.77 : x
  2. Step 2: Convert to fraction form
    1,891.49/2,610.36 = 1,183.77/x
  3. Step 3: Cross multiply
    1,891.49x = 2,610.36 × 1,183.77
  4. Step 4: Simplify right side
    1,891.49x = 3,090,065.86
  5. Step 5: Solve for x
    x = 3,090,065.86/1,891.49
  6. Step 6: Final answer
    x = 1,633.67

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1.5x scale

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.