Home / 1,965.01-2,712.44-1,302.08

Finding the Fourth Proportional to 1,965.01, 2,712.44 and 1,302.08

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Solution

The fourth proportional to 1,965.01, 2,712.44 and 1,302.08 is: 1,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.01 : 2,712.44 = 1,302.08 : x
  2. Step 2: Convert to fraction form
    1,965.01/2,712.44 = 1,302.08/x
  3. Step 3: Cross multiply
    1,965.01x = 2,712.44 × 1,302.08
  4. Step 4: Simplify right side
    1,965.01x = 3,531,813.88
  5. Step 5: Solve for x
    x = 3,531,813.88/1,965.01
  6. Step 6: Final answer
    x = 1,797.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.