Home / 3,453.88-5,178.12-2,355.52

Finding the Fourth Proportional to 3,453.88, 5,178.12 and 2,355.52

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Solution

The fourth proportional to 3,453.88, 5,178.12 and 2,355.52 is: 3,531.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.88 : 5,178.12 = 2,355.52 : x
  2. Step 2: Convert to fraction form
    3,453.88/5,178.12 = 2,355.52/x
  3. Step 3: Cross multiply
    3,453.88x = 5,178.12 × 2,355.52
  4. Step 4: Simplify right side
    3,453.88x = 12,197,165.22
  5. Step 5: Solve for x
    x = 12,197,165.22/3,453.88
  6. Step 6: Final answer
    x = 3,531.44

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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.