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Finding the Fourth Proportional to 1,797.51, 2,696.64 and 548.00

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Solution

The fourth proportional to 1,797.51, 2,696.64 and 548.00 is: 822.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.51 : 2,696.64 = 548.00 : x
  2. Step 2: Convert to fraction form
    1,797.51/2,696.64 = 548.00/x
  3. Step 3: Cross multiply
    1,797.51x = 2,696.64 × 548.00
  4. Step 4: Simplify right side
    1,797.51x = 1,477,742.50
  5. Step 5: Solve for x
    x = 1,477,742.50/1,797.51
  6. Step 6: Final answer
    x = 822.11

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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.