Home / 3,589.75-4,953.77-1,996.40

Finding the Fourth Proportional to 3,589.75, 4,953.77 and 1,996.40

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Solution

The fourth proportional to 3,589.75, 4,953.77 and 1,996.40 is: 2,754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,589.75 : 4,953.77 = 1,996.40 : x
  2. Step 2: Convert to fraction form
    3,589.75/4,953.77 = 1,996.40/x
  3. Step 3: Cross multiply
    3,589.75x = 4,953.77 × 1,996.40
  4. Step 4: Simplify right side
    3,589.75x = 9,889,696.45
  5. Step 5: Solve for x
    x = 9,889,696.45/3,589.75
  6. Step 6: Final answer
    x = 2,754.98

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1.5x scale

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.