Home / 3,529.90-4,871.56-1,958.50

Finding the Fourth Proportional to 3,529.90, 4,871.56 and 1,958.50

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Solution

The fourth proportional to 3,529.90, 4,871.56 and 1,958.50 is: 2,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.90 : 4,871.56 = 1,958.50 : x
  2. Step 2: Convert to fraction form
    3,529.90/4,871.56 = 1,958.50/x
  3. Step 3: Cross multiply
    3,529.90x = 4,871.56 × 1,958.50
  4. Step 4: Simplify right side
    3,529.90x = 9,540,950.26
  5. Step 5: Solve for x
    x = 9,540,950.26/3,529.90
  6. Step 6: Final answer
    x = 2,702.90

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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.