Home / 3,190.68-4,776.12-1,726.20

Finding the Fourth Proportional to 3,190.68, 4,776.12 and 1,726.20

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Solution

The fourth proportional to 3,190.68, 4,776.12 and 1,726.20 is: 2,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.68 : 4,776.12 = 1,726.20 : x
  2. Step 2: Convert to fraction form
    3,190.68/4,776.12 = 1,726.20/x
  3. Step 3: Cross multiply
    3,190.68x = 4,776.12 × 1,726.20
  4. Step 4: Simplify right side
    3,190.68x = 8,244,538.34
  5. Step 5: Solve for x
    x = 8,244,538.34/3,190.68
  6. Step 6: Final answer
    x = 2,583.94

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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.