Home / 2,958.80-4,082.52-1,716.80

Finding the Fourth Proportional to 2,958.80, 4,082.52 and 1,716.80

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Solution

The fourth proportional to 2,958.80, 4,082.52 and 1,716.80 is: 2,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.80 : 4,082.52 = 1,716.80 : x
  2. Step 2: Convert to fraction form
    2,958.80/4,082.52 = 1,716.80/x
  3. Step 3: Cross multiply
    2,958.80x = 4,082.52 × 1,716.80
  4. Step 4: Simplify right side
    2,958.80x = 7,008,870.34
  5. Step 5: Solve for x
    x = 7,008,870.34/2,958.80
  6. Step 6: Final answer
    x = 2,368.82

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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.