Home / 3,529.96-5,290.98-1,679.56

Finding the Fourth Proportional to 3,529.96, 5,290.98 and 1,679.56

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Solution

The fourth proportional to 3,529.96, 5,290.98 and 1,679.56 is: 2,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.96 : 5,290.98 = 1,679.56 : x
  2. Step 2: Convert to fraction form
    3,529.96/5,290.98 = 1,679.56/x
  3. Step 3: Cross multiply
    3,529.96x = 5,290.98 × 1,679.56
  4. Step 4: Simplify right side
    3,529.96x = 8,886,518.37
  5. Step 5: Solve for x
    x = 8,886,518.37/3,529.96
  6. Step 6: Final answer
    x = 2,517.46

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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.