Home / 1,903.26-2,636.67-1,857.90

Finding the Fourth Proportional to 1,903.26, 2,636.67 and 1,857.90

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Solution

The fourth proportional to 1,903.26, 2,636.67 and 1,857.90 is: 2,573.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.26 : 2,636.67 = 1,857.90 : x
  2. Step 2: Convert to fraction form
    1,903.26/2,636.67 = 1,857.90/x
  3. Step 3: Cross multiply
    1,903.26x = 2,636.67 × 1,857.90
  4. Step 4: Simplify right side
    1,903.26x = 4,898,669.19
  5. Step 5: Solve for x
    x = 4,898,669.19/1,903.26
  6. Step 6: Final answer
    x = 2,573.83

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.