Home / 2,740.84-4,103.97-1,643.69

Finding the Fourth Proportional to 2,740.84, 4,103.97 and 1,643.69

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Solution

The fourth proportional to 2,740.84, 4,103.97 and 1,643.69 is: 2,461.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.84 : 4,103.97 = 1,643.69 : x
  2. Step 2: Convert to fraction form
    2,740.84/4,103.97 = 1,643.69/x
  3. Step 3: Cross multiply
    2,740.84x = 4,103.97 × 1,643.69
  4. Step 4: Simplify right side
    2,740.84x = 6,745,658.55
  5. Step 5: Solve for x
    x = 6,745,658.55/2,740.84
  6. Step 6: Final answer
    x = 2,461.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.