Home / 3,575.80-5,363.70-1,628.56

Finding the Fourth Proportional to 3,575.80, 5,363.70 and 1,628.56

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Solution

The fourth proportional to 3,575.80, 5,363.70 and 1,628.56 is: 2,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.80 : 5,363.70 = 1,628.56 : x
  2. Step 2: Convert to fraction form
    3,575.80/5,363.70 = 1,628.56/x
  3. Step 3: Cross multiply
    3,575.80x = 5,363.70 × 1,628.56
  4. Step 4: Simplify right side
    3,575.80x = 8,735,107.27
  5. Step 5: Solve for x
    x = 8,735,107.27/3,575.80
  6. Step 6: Final answer
    x = 2,442.84

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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.