Home / 3,529.99-4,871.35-1,958.08

Finding the Fourth Proportional to 3,529.99, 4,871.35 and 1,958.08

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Solution

The fourth proportional to 3,529.99, 4,871.35 and 1,958.08 is: 2,702.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.99 : 4,871.35 = 1,958.08 : x
  2. Step 2: Convert to fraction form
    3,529.99/4,871.35 = 1,958.08/x
  3. Step 3: Cross multiply
    3,529.99x = 4,871.35 × 1,958.08
  4. Step 4: Simplify right side
    3,529.99x = 9,538,493.01
  5. Step 5: Solve for x
    x = 9,538,493.01/3,529.99
  6. Step 6: Final answer
    x = 2,702.13

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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.