Home / 3,468.96-4,786.56-2,143.08

Finding the Fourth Proportional to 3,468.96, 4,786.56 and 2,143.08

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Solution

The fourth proportional to 3,468.96, 4,786.56 and 2,143.08 is: 2,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.96 : 4,786.56 = 2,143.08 : x
  2. Step 2: Convert to fraction form
    3,468.96/4,786.56 = 2,143.08/x
  3. Step 3: Cross multiply
    3,468.96x = 4,786.56 × 2,143.08
  4. Step 4: Simplify right side
    3,468.96x = 10,257,981.00
  5. Step 5: Solve for x
    x = 10,257,981.00/3,468.96
  6. Step 6: Final answer
    x = 2,957.08

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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.