Home / 3,071.27-4,606.78-1,830.45

Finding the Fourth Proportional to 3,071.27, 4,606.78 and 1,830.45

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Solution

The fourth proportional to 3,071.27, 4,606.78 and 1,830.45 is: 2,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.27 : 4,606.78 = 1,830.45 : x
  2. Step 2: Convert to fraction form
    3,071.27/4,606.78 = 1,830.45/x
  3. Step 3: Cross multiply
    3,071.27x = 4,606.78 × 1,830.45
  4. Step 4: Simplify right side
    3,071.27x = 8,432,480.45
  5. Step 5: Solve for x
    x = 8,432,480.45/3,071.27
  6. Step 6: Final answer
    x = 2,745.60

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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.