Home / 1,887.94-2,606.64-1,180.06

Finding the Fourth Proportional to 1,887.94, 2,606.64 and 1,180.06

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Solution

The fourth proportional to 1,887.94, 2,606.64 and 1,180.06 is: 1,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.94 : 2,606.64 = 1,180.06 : x
  2. Step 2: Convert to fraction form
    1,887.94/2,606.64 = 1,180.06/x
  3. Step 3: Cross multiply
    1,887.94x = 2,606.64 × 1,180.06
  4. Step 4: Simplify right side
    1,887.94x = 3,075,991.60
  5. Step 5: Solve for x
    x = 3,075,991.60/1,887.94
  6. Step 6: Final answer
    x = 1,629.28

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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.