Home / 1,923.78-2,649.22-1,671.59

Finding the Fourth Proportional to 1,923.78, 2,649.22 and 1,671.59

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Solution

The fourth proportional to 1,923.78, 2,649.22 and 1,671.59 is: 2,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923.78 : 2,649.22 = 1,671.59 : x
  2. Step 2: Convert to fraction form
    1,923.78/2,649.22 = 1,671.59/x
  3. Step 3: Cross multiply
    1,923.78x = 2,649.22 × 1,671.59
  4. Step 4: Simplify right side
    1,923.78x = 4,428,409.66
  5. Step 5: Solve for x
    x = 4,428,409.66/1,923.78
  6. Step 6: Final answer
    x = 2,301.93

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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.