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Finding the Fourth Proportional to 1,784.37, 2,677.18 and 797.09

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Solution

The fourth proportional to 1,784.37, 2,677.18 and 797.09 is: 1,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.37 : 2,677.18 = 797.09 : x
  2. Step 2: Convert to fraction form
    1,784.37/2,677.18 = 797.09/x
  3. Step 3: Cross multiply
    1,784.37x = 2,677.18 × 797.09
  4. Step 4: Simplify right side
    1,784.37x = 2,133,956.82
  5. Step 5: Solve for x
    x = 2,133,956.82/1,784.37
  6. Step 6: Final answer
    x = 1,195.92

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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.