Home / 1,869.57-2,804.37-1,224.39

Finding the Fourth Proportional to 1,869.57, 2,804.37 and 1,224.39

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Solution

The fourth proportional to 1,869.57, 2,804.37 and 1,224.39 is: 1,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.57 : 2,804.37 = 1,224.39 : x
  2. Step 2: Convert to fraction form
    1,869.57/2,804.37 = 1,224.39/x
  3. Step 3: Cross multiply
    1,869.57x = 2,804.37 × 1,224.39
  4. Step 4: Simplify right side
    1,869.57x = 3,433,642.58
  5. Step 5: Solve for x
    x = 3,433,642.58/1,869.57
  6. Step 6: Final answer
    x = 1,836.59

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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.