Home / 2,211.26-3,050.91-1,425.77

Finding the Fourth Proportional to 2,211.26, 3,050.91 and 1,425.77

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Solution

The fourth proportional to 2,211.26, 3,050.91 and 1,425.77 is: 1,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.26 : 3,050.91 = 1,425.77 : x
  2. Step 2: Convert to fraction form
    2,211.26/3,050.91 = 1,425.77/x
  3. Step 3: Cross multiply
    2,211.26x = 3,050.91 × 1,425.77
  4. Step 4: Simplify right side
    2,211.26x = 4,349,880.70
  5. Step 5: Solve for x
    x = 4,349,880.70/2,211.26
  6. Step 6: Final answer
    x = 1,967.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.