Home / 3,878.03-5,817.45-2,415.98

Finding the Fourth Proportional to 3,878.03, 5,817.45 and 2,415.98

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Solution

The fourth proportional to 3,878.03, 5,817.45 and 2,415.98 is: 3,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878.03 : 5,817.45 = 2,415.98 : x
  2. Step 2: Convert to fraction form
    3,878.03/5,817.45 = 2,415.98/x
  3. Step 3: Cross multiply
    3,878.03x = 5,817.45 × 2,415.98
  4. Step 4: Simplify right side
    3,878.03x = 14,054,813.76
  5. Step 5: Solve for x
    x = 14,054,813.76/3,878.03
  6. Step 6: Final answer
    x = 3,624.22

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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.