Home / 1,824.02-2,736.18-727.79

Finding the Fourth Proportional to 1,824.02, 2,736.18 and 727.79

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Solution

The fourth proportional to 1,824.02, 2,736.18 and 727.79 is: 1,091.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.02 : 2,736.18 = 727.79 : x
  2. Step 2: Convert to fraction form
    1,824.02/2,736.18 = 727.79/x
  3. Step 3: Cross multiply
    1,824.02x = 2,736.18 × 727.79
  4. Step 4: Simplify right side
    1,824.02x = 1,991,350.76
  5. Step 5: Solve for x
    x = 1,991,350.76/1,824.02
  6. Step 6: Final answer
    x = 1,091.74

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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.