Home / 3,097.28-4,274.32-1,771.11

Finding the Fourth Proportional to 3,097.28, 4,274.32 and 1,771.11

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Solution

The fourth proportional to 3,097.28, 4,274.32 and 1,771.11 is: 2,444.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.28 : 4,274.32 = 1,771.11 : x
  2. Step 2: Convert to fraction form
    3,097.28/4,274.32 = 1,771.11/x
  3. Step 3: Cross multiply
    3,097.28x = 4,274.32 × 1,771.11
  4. Step 4: Simplify right side
    3,097.28x = 7,570,290.90
  5. Step 5: Solve for x
    x = 7,570,290.90/3,097.28
  6. Step 6: Final answer
    x = 2,444.17

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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.