Home / 3,428.30-4,726.68-2,247.32

Finding the Fourth Proportional to 3,428.30, 4,726.68 and 2,247.32

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Solution

The fourth proportional to 3,428.30, 4,726.68 and 2,247.32 is: 3,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.30 : 4,726.68 = 2,247.32 : x
  2. Step 2: Convert to fraction form
    3,428.30/4,726.68 = 2,247.32/x
  3. Step 3: Cross multiply
    3,428.30x = 4,726.68 × 2,247.32
  4. Step 4: Simplify right side
    3,428.30x = 10,622,362.50
  5. Step 5: Solve for x
    x = 10,622,362.50/3,428.30
  6. Step 6: Final answer
    x = 3,098.43

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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.