Home / 1,183.99-1,634.40-741.79

Finding the Fourth Proportional to 1,183.99, 1,634.40 and 741.79

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Solution

The fourth proportional to 1,183.99, 1,634.40 and 741.79 is: 1,023.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.99 : 1,634.40 = 741.79 : x
  2. Step 2: Convert to fraction form
    1,183.99/1,634.40 = 741.79/x
  3. Step 3: Cross multiply
    1,183.99x = 1,634.40 × 741.79
  4. Step 4: Simplify right side
    1,183.99x = 1,212,373.40
  5. Step 5: Solve for x
    x = 1,212,373.40/1,183.99
  6. Step 6: Final answer
    x = 1,023.98

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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.