Home / 2,771.12-4,156.68-2,602.16

Finding the Fourth Proportional to 2,771.12, 4,156.68 and 2,602.16

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Solution

The fourth proportional to 2,771.12, 4,156.68 and 2,602.16 is: 3,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.12 : 4,156.68 = 2,602.16 : x
  2. Step 2: Convert to fraction form
    2,771.12/4,156.68 = 2,602.16/x
  3. Step 3: Cross multiply
    2,771.12x = 4,156.68 × 2,602.16
  4. Step 4: Simplify right side
    2,771.12x = 10,816,346.43
  5. Step 5: Solve for x
    x = 10,816,346.43/2,771.12
  6. Step 6: Final answer
    x = 3,903.24

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1.5x scale

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.