Home / 2,415.30-3,622.05-1,682.70

Finding the Fourth Proportional to 2,415.30, 3,622.05 and 1,682.70

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Solution

The fourth proportional to 2,415.30, 3,622.05 and 1,682.70 is: 2,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.30 : 3,622.05 = 1,682.70 : x
  2. Step 2: Convert to fraction form
    2,415.30/3,622.05 = 1,682.70/x
  3. Step 3: Cross multiply
    2,415.30x = 3,622.05 × 1,682.70
  4. Step 4: Simplify right side
    2,415.30x = 6,094,823.54
  5. Step 5: Solve for x
    x = 6,094,823.54/2,415.30
  6. Step 6: Final answer
    x = 2,523.42

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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.