Home / 3,113.42-4,668.98-1,264.05

Finding the Fourth Proportional to 3,113.42, 4,668.98 and 1,264.05

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Solution

The fourth proportional to 3,113.42, 4,668.98 and 1,264.05 is: 1,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.42 : 4,668.98 = 1,264.05 : x
  2. Step 2: Convert to fraction form
    3,113.42/4,668.98 = 1,264.05/x
  3. Step 3: Cross multiply
    3,113.42x = 4,668.98 × 1,264.05
  4. Step 4: Simplify right side
    3,113.42x = 5,901,817.85
  5. Step 5: Solve for x
    x = 5,901,817.85/3,113.42
  6. Step 6: Final answer
    x = 1,895.61

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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.