Home / 1,887.13-2,604.37-1,090.60

Finding the Fourth Proportional to 1,887.13, 2,604.37 and 1,090.60

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Solution

The fourth proportional to 1,887.13, 2,604.37 and 1,090.60 is: 1,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.13 : 2,604.37 = 1,090.60 : x
  2. Step 2: Convert to fraction form
    1,887.13/2,604.37 = 1,090.60/x
  3. Step 3: Cross multiply
    1,887.13x = 2,604.37 × 1,090.60
  4. Step 4: Simplify right side
    1,887.13x = 2,840,325.92
  5. Step 5: Solve for x
    x = 2,840,325.92/1,887.13
  6. Step 6: Final answer
    x = 1,505.10

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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.