Home / 3,538.19-5,302.71-1,455.84

Finding the Fourth Proportional to 3,538.19, 5,302.71 and 1,455.84

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Solution

The fourth proportional to 3,538.19, 5,302.71 and 1,455.84 is: 2,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.19 : 5,302.71 = 1,455.84 : x
  2. Step 2: Convert to fraction form
    3,538.19/5,302.71 = 1,455.84/x
  3. Step 3: Cross multiply
    3,538.19x = 5,302.71 × 1,455.84
  4. Step 4: Simplify right side
    3,538.19x = 7,719,897.33
  5. Step 5: Solve for x
    x = 7,719,897.33/3,538.19
  6. Step 6: Final answer
    x = 2,181.88

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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.