Home / 2,469.21-3,702.08-1,235.75

Finding the Fourth Proportional to 2,469.21, 3,702.08 and 1,235.75

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Solution

The fourth proportional to 2,469.21, 3,702.08 and 1,235.75 is: 1,852.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.21 : 3,702.08 = 1,235.75 : x
  2. Step 2: Convert to fraction form
    2,469.21/3,702.08 = 1,235.75/x
  3. Step 3: Cross multiply
    2,469.21x = 3,702.08 × 1,235.75
  4. Step 4: Simplify right side
    2,469.21x = 4,574,820.67
  5. Step 5: Solve for x
    x = 4,574,820.67/2,469.21
  6. Step 6: Final answer
    x = 1,852.75

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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.