Home / 3,211.32-4,814.10-1,264.68

Finding the Fourth Proportional to 3,211.32, 4,814.10 and 1,264.68

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Solution

The fourth proportional to 3,211.32, 4,814.10 and 1,264.68 is: 1,895.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.32 : 4,814.10 = 1,264.68 : x
  2. Step 2: Convert to fraction form
    3,211.32/4,814.10 = 1,264.68/x
  3. Step 3: Cross multiply
    3,211.32x = 4,814.10 × 1,264.68
  4. Step 4: Simplify right side
    3,211.32x = 6,088,295.99
  5. Step 5: Solve for x
    x = 6,088,295.99/3,211.32
  6. Step 6: Final answer
    x = 1,895.89

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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.