Home / 2,479.24-3,420.41-1,583.02

Finding the Fourth Proportional to 2,479.24, 3,420.41 and 1,583.02

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Solution

The fourth proportional to 2,479.24, 3,420.41 and 1,583.02 is: 2,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.24 : 3,420.41 = 1,583.02 : x
  2. Step 2: Convert to fraction form
    2,479.24/3,420.41 = 1,583.02/x
  3. Step 3: Cross multiply
    2,479.24x = 3,420.41 × 1,583.02
  4. Step 4: Simplify right side
    2,479.24x = 5,414,560.34
  5. Step 5: Solve for x
    x = 5,414,560.34/2,479.24
  6. Step 6: Final answer
    x = 2,183.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.