Home / 2,908.24-4,359.19-1,428.48

Finding the Fourth Proportional to 2,908.24, 4,359.19 and 1,428.48

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Solution

The fourth proportional to 2,908.24, 4,359.19 and 1,428.48 is: 2,141.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.24 : 4,359.19 = 1,428.48 : x
  2. Step 2: Convert to fraction form
    2,908.24/4,359.19 = 1,428.48/x
  3. Step 3: Cross multiply
    2,908.24x = 4,359.19 × 1,428.48
  4. Step 4: Simplify right side
    2,908.24x = 6,227,008.59
  5. Step 5: Solve for x
    x = 6,227,008.59/2,908.24
  6. Step 6: Final answer
    x = 2,141.16

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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.