Home / 3,097.28-4,623.76-2,989.28

Finding the Fourth Proportional to 3,097.28, 4,623.76 and 2,989.28

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Solution

The fourth proportional to 3,097.28, 4,623.76 and 2,989.28 is: 4,462.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.28 : 4,623.76 = 2,989.28 : x
  2. Step 2: Convert to fraction form
    3,097.28/4,623.76 = 2,989.28/x
  3. Step 3: Cross multiply
    3,097.28x = 4,623.76 × 2,989.28
  4. Step 4: Simplify right side
    3,097.28x = 13,821,713.29
  5. Step 5: Solve for x
    x = 13,821,713.29/3,097.28
  6. Step 6: Final answer
    x = 4,462.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.