Home / 1,965.96-2,933.61-1,791.30

Finding the Fourth Proportional to 1,965.96, 2,933.61 and 1,791.30

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Solution

The fourth proportional to 1,965.96, 2,933.61 and 1,791.30 is: 2,672.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.96 : 2,933.61 = 1,791.30 : x
  2. Step 2: Convert to fraction form
    1,965.96/2,933.61 = 1,791.30/x
  3. Step 3: Cross multiply
    1,965.96x = 2,933.61 × 1,791.30
  4. Step 4: Simplify right side
    1,965.96x = 5,254,966.64
  5. Step 5: Solve for x
    x = 5,254,966.64/1,965.96
  6. Step 6: Final answer
    x = 2,672.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.