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Finding the Fourth Proportional to 1,330.34, 1,835.88 and 799.26

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Solution

The fourth proportional to 1,330.34, 1,835.88 and 799.26 is: 1,102.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330.34 : 1,835.88 = 799.26 : x
  2. Step 2: Convert to fraction form
    1,330.34/1,835.88 = 799.26/x
  3. Step 3: Cross multiply
    1,330.34x = 1,835.88 × 799.26
  4. Step 4: Simplify right side
    1,330.34x = 1,467,345.45
  5. Step 5: Solve for x
    x = 1,467,345.45/1,330.34
  6. Step 6: Final answer
    x = 1,102.99

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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.