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Finding the Fourth Proportional to 3,479.93, 4,800.79 and 2,302.64

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Solution

The fourth proportional to 3,479.93, 4,800.79 and 2,302.64 is: 3,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.93 : 4,800.79 = 2,302.64 : x
  2. Step 2: Convert to fraction form
    3,479.93/4,800.79 = 2,302.64/x
  3. Step 3: Cross multiply
    3,479.93x = 4,800.79 × 2,302.64
  4. Step 4: Simplify right side
    3,479.93x = 11,054,491.09
  5. Step 5: Solve for x
    x = 11,054,491.09/3,479.93
  6. Step 6: Final answer
    x = 3,176.64

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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.