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Finding the Fourth Proportional to 1,808.96, 2,496.36 and 1,023.02

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Solution

The fourth proportional to 1,808.96, 2,496.36 and 1,023.02 is: 1,411.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.96 : 2,496.36 = 1,023.02 : x
  2. Step 2: Convert to fraction form
    1,808.96/2,496.36 = 1,023.02/x
  3. Step 3: Cross multiply
    1,808.96x = 2,496.36 × 1,023.02
  4. Step 4: Simplify right side
    1,808.96x = 2,553,813.73
  5. Step 5: Solve for x
    x = 2,553,813.73/1,808.96
  6. Step 6: Final answer
    x = 1,411.76

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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.