Home / 1,965.93-2,709.99-1,433.76

Finding the Fourth Proportional to 1,965.93, 2,709.99 and 1,433.76

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Solution

The fourth proportional to 1,965.93, 2,709.99 and 1,433.76 is: 1,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.93 : 2,709.99 = 1,433.76 : x
  2. Step 2: Convert to fraction form
    1,965.93/2,709.99 = 1,433.76/x
  3. Step 3: Cross multiply
    1,965.93x = 2,709.99 × 1,433.76
  4. Step 4: Simplify right side
    1,965.93x = 3,885,475.26
  5. Step 5: Solve for x
    x = 3,885,475.26/1,965.93
  6. Step 6: Final answer
    x = 1,976.41

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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.