Home / 1,965.30-2,711.68-1,301.77

Finding the Fourth Proportional to 1,965.30, 2,711.68 and 1,301.77

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Solution

The fourth proportional to 1,965.30, 2,711.68 and 1,301.77 is: 1,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.30 : 2,711.68 = 1,301.77 : x
  2. Step 2: Convert to fraction form
    1,965.30/2,711.68 = 1,301.77/x
  3. Step 3: Cross multiply
    1,965.30x = 2,711.68 × 1,301.77
  4. Step 4: Simplify right side
    1,965.30x = 3,529,983.67
  5. Step 5: Solve for x
    x = 3,529,983.67/1,965.30
  6. Step 6: Final answer
    x = 1,796.16

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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.