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Finding the Fourth Proportional to 3,479.17, 4,800.08 and 1,986.02

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Solution

The fourth proportional to 3,479.17, 4,800.08 and 1,986.02 is: 2,740.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.17 : 4,800.08 = 1,986.02 : x
  2. Step 2: Convert to fraction form
    3,479.17/4,800.08 = 1,986.02/x
  3. Step 3: Cross multiply
    3,479.17x = 4,800.08 × 1,986.02
  4. Step 4: Simplify right side
    3,479.17x = 9,533,054.88
  5. Step 5: Solve for x
    x = 9,533,054.88/3,479.17
  6. Step 6: Final answer
    x = 2,740.04

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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.