Home / 3,453.63-5,180.43-2,415.66

Finding the Fourth Proportional to 3,453.63, 5,180.43 and 2,415.66

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Solution

The fourth proportional to 3,453.63, 5,180.43 and 2,415.66 is: 3,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.63 : 5,180.43 = 2,415.66 : x
  2. Step 2: Convert to fraction form
    3,453.63/5,180.43 = 2,415.66/x
  3. Step 3: Cross multiply
    3,453.63x = 5,180.43 × 2,415.66
  4. Step 4: Simplify right side
    3,453.63x = 12,514,157.53
  5. Step 5: Solve for x
    x = 12,514,157.53/3,453.63
  6. Step 6: Final answer
    x = 3,623.48

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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.