Home / 1,627.87-2,245.30-1,059.66

Finding the Fourth Proportional to 1,627.87, 2,245.30 and 1,059.66

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Solution

The fourth proportional to 1,627.87, 2,245.30 and 1,059.66 is: 1,461.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.87 : 2,245.30 = 1,059.66 : x
  2. Step 2: Convert to fraction form
    1,627.87/2,245.30 = 1,059.66/x
  3. Step 3: Cross multiply
    1,627.87x = 2,245.30 × 1,059.66
  4. Step 4: Simplify right side
    1,627.87x = 2,379,240.72
  5. Step 5: Solve for x
    x = 2,379,240.72/1,627.87
  6. Step 6: Final answer
    x = 1,461.57

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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.