Home / 1,887.51-2,604.68-1,101.54

Finding the Fourth Proportional to 1,887.51, 2,604.68 and 1,101.54

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Solution

The fourth proportional to 1,887.51, 2,604.68 and 1,101.54 is: 1,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.51 : 2,604.68 = 1,101.54 : x
  2. Step 2: Convert to fraction form
    1,887.51/2,604.68 = 1,101.54/x
  3. Step 3: Cross multiply
    1,887.51x = 2,604.68 × 1,101.54
  4. Step 4: Simplify right side
    1,887.51x = 2,869,153.70
  5. Step 5: Solve for x
    x = 2,869,153.70/1,887.51
  6. Step 6: Final answer
    x = 1,520.07

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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.