Home / 3,529.63-5,290.71-1,679.35

Finding the Fourth Proportional to 3,529.63, 5,290.71 and 1,679.35

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Solution

The fourth proportional to 3,529.63, 5,290.71 and 1,679.35 is: 2,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.63 : 5,290.71 = 1,679.35 : x
  2. Step 2: Convert to fraction form
    3,529.63/5,290.71 = 1,679.35/x
  3. Step 3: Cross multiply
    3,529.63x = 5,290.71 × 1,679.35
  4. Step 4: Simplify right side
    3,529.63x = 8,884,953.84
  5. Step 5: Solve for x
    x = 8,884,953.84/3,529.63
  6. Step 6: Final answer
    x = 2,517.25

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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.