Home / 2,908.10-4,356.09-2,288.84

Finding the Fourth Proportional to 2,908.10, 4,356.09 and 2,288.84

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Solution

The fourth proportional to 2,908.10, 4,356.09 and 2,288.84 is: 3,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.10 : 4,356.09 = 2,288.84 : x
  2. Step 2: Convert to fraction form
    2,908.10/4,356.09 = 2,288.84/x
  3. Step 3: Cross multiply
    2,908.10x = 4,356.09 × 2,288.84
  4. Step 4: Simplify right side
    2,908.10x = 9,970,393.04
  5. Step 5: Solve for x
    x = 9,970,393.04/2,908.10
  6. Step 6: Final answer
    x = 3,428.49

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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.