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Finding the Fourth Proportional to 3,597.48, 5,390.28 and 1,645.38

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Solution

The fourth proportional to 3,597.48, 5,390.28 and 1,645.38 is: 2,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,597.48 : 5,390.28 = 1,645.38 : x
  2. Step 2: Convert to fraction form
    3,597.48/5,390.28 = 1,645.38/x
  3. Step 3: Cross multiply
    3,597.48x = 5,390.28 × 1,645.38
  4. Step 4: Simplify right side
    3,597.48x = 8,869,052.74
  5. Step 5: Solve for x
    x = 8,869,052.74/3,597.48
  6. Step 6: Final answer
    x = 2,465.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.