Home / 3,199.84-4,415.77-1,873.28

Finding the Fourth Proportional to 3,199.84, 4,415.77 and 1,873.28

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Solution

The fourth proportional to 3,199.84, 4,415.77 and 1,873.28 is: 2,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.84 : 4,415.77 = 1,873.28 : x
  2. Step 2: Convert to fraction form
    3,199.84/4,415.77 = 1,873.28/x
  3. Step 3: Cross multiply
    3,199.84x = 4,415.77 × 1,873.28
  4. Step 4: Simplify right side
    3,199.84x = 8,271,951.63
  5. Step 5: Solve for x
    x = 8,271,951.63/3,199.84
  6. Step 6: Final answer
    x = 2,585.12

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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.