Home / 1,965.51-2,943.25-1,130.33

Finding the Fourth Proportional to 1,965.51, 2,943.25 and 1,130.33

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Solution

The fourth proportional to 1,965.51, 2,943.25 and 1,130.33 is: 1,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.51 : 2,943.25 = 1,130.33 : x
  2. Step 2: Convert to fraction form
    1,965.51/2,943.25 = 1,130.33/x
  3. Step 3: Cross multiply
    1,965.51x = 2,943.25 × 1,130.33
  4. Step 4: Simplify right side
    1,965.51x = 3,326,848.30
  5. Step 5: Solve for x
    x = 3,326,848.30/1,965.51
  6. Step 6: Final answer
    x = 1,692.61

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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.