Home / 1,945.88-2,917.80-1,724.07

Finding the Fourth Proportional to 1,945.88, 2,917.80 and 1,724.07

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Solution

The fourth proportional to 1,945.88, 2,917.80 and 1,724.07 is: 2,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.88 : 2,917.80 = 1,724.07 : x
  2. Step 2: Convert to fraction form
    1,945.88/2,917.80 = 1,724.07/x
  3. Step 3: Cross multiply
    1,945.88x = 2,917.80 × 1,724.07
  4. Step 4: Simplify right side
    1,945.88x = 5,030,491.45
  5. Step 5: Solve for x
    x = 5,030,491.45/1,945.88
  6. Step 6: Final answer
    x = 2,585.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.