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Finding the Fourth Proportional to 1,696.95, 2,548.05 and 1,493.22

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Solution

The fourth proportional to 1,696.95, 2,548.05 and 1,493.22 is: 2,242.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.95 : 2,548.05 = 1,493.22 : x
  2. Step 2: Convert to fraction form
    1,696.95/2,548.05 = 1,493.22/x
  3. Step 3: Cross multiply
    1,696.95x = 2,548.05 × 1,493.22
  4. Step 4: Simplify right side
    1,696.95x = 3,804,799.22
  5. Step 5: Solve for x
    x = 3,804,799.22/1,696.95
  6. Step 6: Final answer
    x = 2,242.14

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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.