Home / 3,907.83-5,861.57-1,442.49

Finding the Fourth Proportional to 3,907.83, 5,861.57 and 1,442.49

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Solution

The fourth proportional to 3,907.83, 5,861.57 and 1,442.49 is: 2,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.83 : 5,861.57 = 1,442.49 : x
  2. Step 2: Convert to fraction form
    3,907.83/5,861.57 = 1,442.49/x
  3. Step 3: Cross multiply
    3,907.83x = 5,861.57 × 1,442.49
  4. Step 4: Simplify right side
    3,907.83x = 8,455,248.90
  5. Step 5: Solve for x
    x = 8,455,248.90/3,907.83
  6. Step 6: Final answer
    x = 2,163.67

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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.