Home / 4,234.20-6,352.26-1,312.80

Finding the Fourth Proportional to 4,234.20, 6,352.26 and 1,312.80

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Solution

The fourth proportional to 4,234.20, 6,352.26 and 1,312.80 is: 1,969.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.20 : 6,352.26 = 1,312.80 : x
  2. Step 2: Convert to fraction form
    4,234.20/6,352.26 = 1,312.80/x
  3. Step 3: Cross multiply
    4,234.20x = 6,352.26 × 1,312.80
  4. Step 4: Simplify right side
    4,234.20x = 8,339,246.93
  5. Step 5: Solve for x
    x = 8,339,246.93/4,234.20
  6. Step 6: Final answer
    x = 1,969.50

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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.