Home / 2,786.47-4,180.92-1,054.69

Finding the Fourth Proportional to 2,786.47, 4,180.92 and 1,054.69

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Solution

The fourth proportional to 2,786.47, 4,180.92 and 1,054.69 is: 1,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.47 : 4,180.92 = 1,054.69 : x
  2. Step 2: Convert to fraction form
    2,786.47/4,180.92 = 1,054.69/x
  3. Step 3: Cross multiply
    2,786.47x = 4,180.92 × 1,054.69
  4. Step 4: Simplify right side
    2,786.47x = 4,409,560.11
  5. Step 5: Solve for x
    x = 4,409,560.11/2,786.47
  6. Step 6: Final answer
    x = 1,582.49

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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.