Home / 3,421.44-5,122.50-2,603.04

Finding the Fourth Proportional to 3,421.44, 5,122.50 and 2,603.04

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Solution

The fourth proportional to 3,421.44, 5,122.50 and 2,603.04 is: 3,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.44 : 5,122.50 = 2,603.04 : x
  2. Step 2: Convert to fraction form
    3,421.44/5,122.50 = 2,603.04/x
  3. Step 3: Cross multiply
    3,421.44x = 5,122.50 × 2,603.04
  4. Step 4: Simplify right side
    3,421.44x = 13,334,072.40
  5. Step 5: Solve for x
    x = 13,334,072.40/3,421.44
  6. Step 6: Final answer
    x = 3,897.21

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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.