Home / 2,782.93-4,177.68-1,140.79

Finding the Fourth Proportional to 2,782.93, 4,177.68 and 1,140.79

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Solution

The fourth proportional to 2,782.93, 4,177.68 and 1,140.79 is: 1,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.93 : 4,177.68 = 1,140.79 : x
  2. Step 2: Convert to fraction form
    2,782.93/4,177.68 = 1,140.79/x
  3. Step 3: Cross multiply
    2,782.93x = 4,177.68 × 1,140.79
  4. Step 4: Simplify right side
    2,782.93x = 4,765,855.57
  5. Step 5: Solve for x
    x = 4,765,855.57/2,782.93
  6. Step 6: Final answer
    x = 1,712.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.