Home / 2,960.66-4,086.06-1,782.38

Finding the Fourth Proportional to 2,960.66, 4,086.06 and 1,782.38

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Solution

The fourth proportional to 2,960.66, 4,086.06 and 1,782.38 is: 2,459.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.66 : 4,086.06 = 1,782.38 : x
  2. Step 2: Convert to fraction form
    2,960.66/4,086.06 = 1,782.38/x
  3. Step 3: Cross multiply
    2,960.66x = 4,086.06 × 1,782.38
  4. Step 4: Simplify right side
    2,960.66x = 7,282,911.62
  5. Step 5: Solve for x
    x = 7,282,911.62/2,960.66
  6. Step 6: Final answer
    x = 2,459.89

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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.