Home / 1,945.34-2,918.00-1,677.77

Finding the Fourth Proportional to 1,945.34, 2,918.00 and 1,677.77

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Solution

The fourth proportional to 1,945.34, 2,918.00 and 1,677.77 is: 2,516.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.34 : 2,918.00 = 1,677.77 : x
  2. Step 2: Convert to fraction form
    1,945.34/2,918.00 = 1,677.77/x
  3. Step 3: Cross multiply
    1,945.34x = 2,918.00 × 1,677.77
  4. Step 4: Simplify right side
    1,945.34x = 4,895,709.88
  5. Step 5: Solve for x
    x = 4,895,709.88/1,945.34
  6. Step 6: Final answer
    x = 2,516.64

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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.