Home / 1,899.45-2,621.97-1,702.62

Finding the Fourth Proportional to 1,899.45, 2,621.97 and 1,702.62

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Solution

The fourth proportional to 1,899.45, 2,621.97 and 1,702.62 is: 2,350.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.45 : 2,621.97 = 1,702.62 : x
  2. Step 2: Convert to fraction form
    1,899.45/2,621.97 = 1,702.62/x
  3. Step 3: Cross multiply
    1,899.45x = 2,621.97 × 1,702.62
  4. Step 4: Simplify right side
    1,899.45x = 4,464,218.56
  5. Step 5: Solve for x
    x = 4,464,218.56/1,899.45
  6. Step 6: Final answer
    x = 2,350.27

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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.