Home / 1,677.40-2,513.25-1,091.51

Finding the Fourth Proportional to 1,677.40, 2,513.25 and 1,091.51

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Solution

The fourth proportional to 1,677.40, 2,513.25 and 1,091.51 is: 1,635.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.40 : 2,513.25 = 1,091.51 : x
  2. Step 2: Convert to fraction form
    1,677.40/2,513.25 = 1,091.51/x
  3. Step 3: Cross multiply
    1,677.40x = 2,513.25 × 1,091.51
  4. Step 4: Simplify right side
    1,677.40x = 2,743,232.05
  5. Step 5: Solve for x
    x = 2,743,232.05/1,677.40
  6. Step 6: Final answer
    x = 1,635.41

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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.