Home / 1,830.90-2,745.81-964.74

Finding the Fourth Proportional to 1,830.90, 2,745.81 and 964.74

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Solution

The fourth proportional to 1,830.90, 2,745.81 and 964.74 is: 1,446.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.90 : 2,745.81 = 964.74 : x
  2. Step 2: Convert to fraction form
    1,830.90/2,745.81 = 964.74/x
  3. Step 3: Cross multiply
    1,830.90x = 2,745.81 × 964.74
  4. Step 4: Simplify right side
    1,830.90x = 2,648,992.74
  5. Step 5: Solve for x
    x = 2,648,992.74/1,830.90
  6. Step 6: Final answer
    x = 1,446.83

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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.