Home / 3,530.34-5,290.94-1,682.01

Finding the Fourth Proportional to 3,530.34, 5,290.94 and 1,682.01

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Solution

The fourth proportional to 3,530.34, 5,290.94 and 1,682.01 is: 2,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.34 : 5,290.94 = 1,682.01 : x
  2. Step 2: Convert to fraction form
    3,530.34/5,290.94 = 1,682.01/x
  3. Step 3: Cross multiply
    3,530.34x = 5,290.94 × 1,682.01
  4. Step 4: Simplify right side
    3,530.34x = 8,899,405.58
  5. Step 5: Solve for x
    x = 8,899,405.58/3,530.34
  6. Step 6: Final answer
    x = 2,520.84

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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.