Home / 4,234.40-6,351.33-1,312.70

Finding the Fourth Proportional to 4,234.40, 6,351.33 and 1,312.70

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Solution

The fourth proportional to 4,234.40, 6,351.33 and 1,312.70 is: 1,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,234.40 : 6,351.33 = 1,312.70 : x
  2. Step 2: Convert to fraction form
    4,234.40/6,351.33 = 1,312.70/x
  3. Step 3: Cross multiply
    4,234.40x = 6,351.33 × 1,312.70
  4. Step 4: Simplify right side
    4,234.40x = 8,337,390.89
  5. Step 5: Solve for x
    x = 8,337,390.89/4,234.40
  6. Step 6: Final answer
    x = 1,968.97

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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.