Home / 3,953.34-5,455.39-2,184.84

Finding the Fourth Proportional to 3,953.34, 5,455.39 and 2,184.84

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Solution

The fourth proportional to 3,953.34, 5,455.39 and 2,184.84 is: 3,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.34 : 5,455.39 = 2,184.84 : x
  2. Step 2: Convert to fraction form
    3,953.34/5,455.39 = 2,184.84/x
  3. Step 3: Cross multiply
    3,953.34x = 5,455.39 × 2,184.84
  4. Step 4: Simplify right side
    3,953.34x = 11,919,116.09
  5. Step 5: Solve for x
    x = 11,919,116.09/3,953.34
  6. Step 6: Final answer
    x = 3,014.95

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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.