Home / 3,428.08-4,728.76-2,310.56

Finding the Fourth Proportional to 3,428.08, 4,728.76 and 2,310.56

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Solution

The fourth proportional to 3,428.08, 4,728.76 and 2,310.56 is: 3,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.08 : 4,728.76 = 2,310.56 : x
  2. Step 2: Convert to fraction form
    3,428.08/4,728.76 = 2,310.56/x
  3. Step 3: Cross multiply
    3,428.08x = 4,728.76 × 2,310.56
  4. Step 4: Simplify right side
    3,428.08x = 10,926,083.71
  5. Step 5: Solve for x
    x = 10,926,083.71/3,428.08
  6. Step 6: Final answer
    x = 3,187.23

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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.