Home / 3,546.28-5,319.42-1,237.78

Finding the Fourth Proportional to 3,546.28, 5,319.42 and 1,237.78

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Solution

The fourth proportional to 3,546.28, 5,319.42 and 1,237.78 is: 1,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.28 : 5,319.42 = 1,237.78 : x
  2. Step 2: Convert to fraction form
    3,546.28/5,319.42 = 1,237.78/x
  3. Step 3: Cross multiply
    3,546.28x = 5,319.42 × 1,237.78
  4. Step 4: Simplify right side
    3,546.28x = 6,584,280.66
  5. Step 5: Solve for x
    x = 6,584,280.66/3,546.28
  6. Step 6: Final answer
    x = 1,856.67

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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.