Home / 2,878.30-4,317.44-1,233.78

Finding the Fourth Proportional to 2,878.30, 4,317.44 and 1,233.78

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Solution

The fourth proportional to 2,878.30, 4,317.44 and 1,233.78 is: 1,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.30 : 4,317.44 = 1,233.78 : x
  2. Step 2: Convert to fraction form
    2,878.30/4,317.44 = 1,233.78/x
  3. Step 3: Cross multiply
    2,878.30x = 4,317.44 × 1,233.78
  4. Step 4: Simplify right side
    2,878.30x = 5,326,771.12
  5. Step 5: Solve for x
    x = 5,326,771.12/2,878.30
  6. Step 6: Final answer
    x = 1,850.67

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1.5x scale

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.