Home / 1,944.07-2,682.66-1,355.89

Finding the Fourth Proportional to 1,944.07, 2,682.66 and 1,355.89

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Solution

The fourth proportional to 1,944.07, 2,682.66 and 1,355.89 is: 1,871.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.07 : 2,682.66 = 1,355.89 : x
  2. Step 2: Convert to fraction form
    1,944.07/2,682.66 = 1,355.89/x
  3. Step 3: Cross multiply
    1,944.07x = 2,682.66 × 1,355.89
  4. Step 4: Simplify right side
    1,944.07x = 3,637,391.87
  5. Step 5: Solve for x
    x = 3,637,391.87/1,944.07
  6. Step 6: Final answer
    x = 1,871.02

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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.