Home / 3,237.76-4,858.80-1,679.20

Finding the Fourth Proportional to 3,237.76, 4,858.80 and 1,679.20

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Solution

The fourth proportional to 3,237.76, 4,858.80 and 1,679.20 is: 2,519.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.76 : 4,858.80 = 1,679.20 : x
  2. Step 2: Convert to fraction form
    3,237.76/4,858.80 = 1,679.20/x
  3. Step 3: Cross multiply
    3,237.76x = 4,858.80 × 1,679.20
  4. Step 4: Simplify right side
    3,237.76x = 8,158,896.96
  5. Step 5: Solve for x
    x = 8,158,896.96/3,237.76
  6. Step 6: Final answer
    x = 2,519.92

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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.