Home / 2,480.03-3,720.46-1,230.68

Finding the Fourth Proportional to 2,480.03, 3,720.46 and 1,230.68

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Solution

The fourth proportional to 2,480.03, 3,720.46 and 1,230.68 is: 1,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.03 : 3,720.46 = 1,230.68 : x
  2. Step 2: Convert to fraction form
    2,480.03/3,720.46 = 1,230.68/x
  3. Step 3: Cross multiply
    2,480.03x = 3,720.46 × 1,230.68
  4. Step 4: Simplify right side
    2,480.03x = 4,578,695.71
  5. Step 5: Solve for x
    x = 4,578,695.71/2,480.03
  6. Step 6: Final answer
    x = 1,846.23

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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.