Home / 3,484.14-5,225.84-985.27

Finding the Fourth Proportional to 3,484.14, 5,225.84 and 985.27

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Solution

The fourth proportional to 3,484.14, 5,225.84 and 985.27 is: 1,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.14 : 5,225.84 = 985.27 : x
  2. Step 2: Convert to fraction form
    3,484.14/5,225.84 = 985.27/x
  3. Step 3: Cross multiply
    3,484.14x = 5,225.84 × 985.27
  4. Step 4: Simplify right side
    3,484.14x = 5,148,863.38
  5. Step 5: Solve for x
    x = 5,148,863.38/3,484.14
  6. Step 6: Final answer
    x = 1,477.80

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Why These Related Problems?

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