Home / 4,319.40-6,474.30-2,238.60

Finding the Fourth Proportional to 4,319.40, 6,474.30 and 2,238.60

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Solution

The fourth proportional to 4,319.40, 6,474.30 and 2,238.60 is: 3,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.40 : 6,474.30 = 2,238.60 : x
  2. Step 2: Convert to fraction form
    4,319.40/6,474.30 = 2,238.60/x
  3. Step 3: Cross multiply
    4,319.40x = 6,474.30 × 2,238.60
  4. Step 4: Simplify right side
    4,319.40x = 14,493,367.98
  5. Step 5: Solve for x
    x = 14,493,367.98/4,319.40
  6. Step 6: Final answer
    x = 3,355.41

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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.