Home / 3,746.30-5,619.39-1,437.80

Finding the Fourth Proportional to 3,746.30, 5,619.39 and 1,437.80

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Solution

The fourth proportional to 3,746.30, 5,619.39 and 1,437.80 is: 2,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.30 : 5,619.39 = 1,437.80 : x
  2. Step 2: Convert to fraction form
    3,746.30/5,619.39 = 1,437.80/x
  3. Step 3: Cross multiply
    3,746.30x = 5,619.39 × 1,437.80
  4. Step 4: Simplify right side
    3,746.30x = 8,079,530.85
  5. Step 5: Solve for x
    x = 8,079,530.85/3,746.30
  6. Step 6: Final answer
    x = 2,156.67

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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.