Home / 2,986.24-4,477.68-1,230.24

Finding the Fourth Proportional to 2,986.24, 4,477.68 and 1,230.24

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Solution

The fourth proportional to 2,986.24, 4,477.68 and 1,230.24 is: 1,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.24 : 4,477.68 = 1,230.24 : x
  2. Step 2: Convert to fraction form
    2,986.24/4,477.68 = 1,230.24/x
  3. Step 3: Cross multiply
    2,986.24x = 4,477.68 × 1,230.24
  4. Step 4: Simplify right side
    2,986.24x = 5,508,621.04
  5. Step 5: Solve for x
    x = 5,508,621.04/2,986.24
  6. Step 6: Final answer
    x = 1,844.67

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1.5x scale

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.