Home / 3,440.37-5,155.94-1,878.03

Finding the Fourth Proportional to 3,440.37, 5,155.94 and 1,878.03

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Solution

The fourth proportional to 3,440.37, 5,155.94 and 1,878.03 is: 2,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.37 : 5,155.94 = 1,878.03 : x
  2. Step 2: Convert to fraction form
    3,440.37/5,155.94 = 1,878.03/x
  3. Step 3: Cross multiply
    3,440.37x = 5,155.94 × 1,878.03
  4. Step 4: Simplify right side
    3,440.37x = 9,683,000.61
  5. Step 5: Solve for x
    x = 9,683,000.61/3,440.37
  6. Step 6: Final answer
    x = 2,814.52

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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.