Home / 3,493.60-4,821.26-1,900.34

Finding the Fourth Proportional to 3,493.60, 4,821.26 and 1,900.34

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Solution

The fourth proportional to 3,493.60, 4,821.26 and 1,900.34 is: 2,622.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.60 : 4,821.26 = 1,900.34 : x
  2. Step 2: Convert to fraction form
    3,493.60/4,821.26 = 1,900.34/x
  3. Step 3: Cross multiply
    3,493.60x = 4,821.26 × 1,900.34
  4. Step 4: Simplify right side
    3,493.60x = 9,162,044.82
  5. Step 5: Solve for x
    x = 9,162,044.82/3,493.60
  6. Step 6: Final answer
    x = 2,622.52

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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.