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Finding the Fourth Proportional to 1,325.49, 1,829.03 and 735.99

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Solution

The fourth proportional to 1,325.49, 1,829.03 and 735.99 is: 1,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.49 : 1,829.03 = 735.99 : x
  2. Step 2: Convert to fraction form
    1,325.49/1,829.03 = 735.99/x
  3. Step 3: Cross multiply
    1,325.49x = 1,829.03 × 735.99
  4. Step 4: Simplify right side
    1,325.49x = 1,346,144.11
  5. Step 5: Solve for x
    x = 1,346,144.11/1,325.49
  6. Step 6: Final answer
    x = 1,015.58

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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.