Home / 3,953.02-5,455.16-2,184.62

Finding the Fourth Proportional to 3,953.02, 5,455.16 and 2,184.62

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Solution

The fourth proportional to 3,953.02, 5,455.16 and 2,184.62 is: 3,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.02 : 5,455.16 = 2,184.62 : x
  2. Step 2: Convert to fraction form
    3,953.02/5,455.16 = 2,184.62/x
  3. Step 3: Cross multiply
    3,953.02x = 5,455.16 × 2,184.62
  4. Step 4: Simplify right side
    3,953.02x = 11,917,451.64
  5. Step 5: Solve for x
    x = 11,917,451.64/3,953.02
  6. Step 6: Final answer
    x = 3,014.77

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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.