Home / 1,887.09-2,827.63-1,268.52

Finding the Fourth Proportional to 1,887.09, 2,827.63 and 1,268.52

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Solution

The fourth proportional to 1,887.09, 2,827.63 and 1,268.52 is: 1,900.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.09 : 2,827.63 = 1,268.52 : x
  2. Step 2: Convert to fraction form
    1,887.09/2,827.63 = 1,268.52/x
  3. Step 3: Cross multiply
    1,887.09x = 2,827.63 × 1,268.52
  4. Step 4: Simplify right side
    1,887.09x = 3,586,905.21
  5. Step 5: Solve for x
    x = 3,586,905.21/1,887.09
  6. Step 6: Final answer
    x = 1,900.76

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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.