Home / 2,986.76-4,480.66-1,255.24

Finding the Fourth Proportional to 2,986.76, 4,480.66 and 1,255.24

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Solution

The fourth proportional to 2,986.76, 4,480.66 and 1,255.24 is: 1,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.76 : 4,480.66 = 1,255.24 : x
  2. Step 2: Convert to fraction form
    2,986.76/4,480.66 = 1,255.24/x
  3. Step 3: Cross multiply
    2,986.76x = 4,480.66 × 1,255.24
  4. Step 4: Simplify right side
    2,986.76x = 5,624,303.66
  5. Step 5: Solve for x
    x = 5,624,303.66/2,986.76
  6. Step 6: Final answer
    x = 1,883.08

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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.