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Finding the Fourth Proportional to 1,797.76, 2,673.44 and 1,778.56

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Solution

The fourth proportional to 1,797.76, 2,673.44 and 1,778.56 is: 2,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.76 : 2,673.44 = 1,778.56 : x
  2. Step 2: Convert to fraction form
    1,797.76/2,673.44 = 1,778.56/x
  3. Step 3: Cross multiply
    1,797.76x = 2,673.44 × 1,778.56
  4. Step 4: Simplify right side
    1,797.76x = 4,754,873.45
  5. Step 5: Solve for x
    x = 4,754,873.45/1,797.76
  6. Step 6: Final answer
    x = 2,644.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.