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Finding the Fourth Proportional to 1,902.57, 2,624.81 and 1,194

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Solution

The fourth proportional to 1,902.57, 2,624.81 and 1,194 is: 1,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.57 : 2,624.81 = 1,194 : x
  2. Step 2: Convert to fraction form
    1,902.57/2,624.81 = 1,194/x
  3. Step 3: Cross multiply
    1,902.57x = 2,624.81 × 1,194
  4. Step 4: Simplify right side
    1,902.57x = 3,134,017.17
  5. Step 5: Solve for x
    x = 3,134,017.17/1,902.57
  6. Step 6: Final answer
    x = 1,647.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.