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Finding the Fourth Proportional to 1,863.94, 2,572.23 and 1,035.94

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Solution

The fourth proportional to 1,863.94, 2,572.23 and 1,035.94 is: 1,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.94 : 2,572.23 = 1,035.94 : x
  2. Step 2: Convert to fraction form
    1,863.94/2,572.23 = 1,035.94/x
  3. Step 3: Cross multiply
    1,863.94x = 2,572.23 × 1,035.94
  4. Step 4: Simplify right side
    1,863.94x = 2,664,675.95
  5. Step 5: Solve for x
    x = 2,664,675.95/1,863.94
  6. Step 6: Final answer
    x = 1,429.59

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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.