Home / 1,945.08-2,917.26-1,017.72

Finding the Fourth Proportional to 1,945.08, 2,917.26 and 1,017.72

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Solution

The fourth proportional to 1,945.08, 2,917.26 and 1,017.72 is: 1,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.08 : 2,917.26 = 1,017.72 : x
  2. Step 2: Convert to fraction form
    1,945.08/2,917.26 = 1,017.72/x
  3. Step 3: Cross multiply
    1,945.08x = 2,917.26 × 1,017.72
  4. Step 4: Simplify right side
    1,945.08x = 2,968,953.85
  5. Step 5: Solve for x
    x = 2,968,953.85/1,945.08
  6. Step 6: Final answer
    x = 1,526.39

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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.