Home / 4,219.38-6,331.87-1,754.19

Finding the Fourth Proportional to 4,219.38, 6,331.87 and 1,754.19

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Solution

The fourth proportional to 4,219.38, 6,331.87 and 1,754.19 is: 2,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.38 : 6,331.87 = 1,754.19 : x
  2. Step 2: Convert to fraction form
    4,219.38/6,331.87 = 1,754.19/x
  3. Step 3: Cross multiply
    4,219.38x = 6,331.87 × 1,754.19
  4. Step 4: Simplify right side
    4,219.38x = 11,107,303.04
  5. Step 5: Solve for x
    x = 11,107,303.04/4,219.38
  6. Step 6: Final answer
    x = 2,632.45

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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.