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Finding the Fourth Proportional to 1,299.94, 1,793.93 and 835.00

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Solution

The fourth proportional to 1,299.94, 1,793.93 and 835.00 is: 1,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299.94 : 1,793.93 = 835.00 : x
  2. Step 2: Convert to fraction form
    1,299.94/1,793.93 = 835.00/x
  3. Step 3: Cross multiply
    1,299.94x = 1,793.93 × 835.00
  4. Step 4: Simplify right side
    1,299.94x = 1,497,922.89
  5. Step 5: Solve for x
    x = 1,497,922.89/1,299.94
  6. Step 6: Final answer
    x = 1,152.30

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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.