Home / 3,707.72-5,089.40-3,278.67

Finding the Fourth Proportional to 3,707.72, 5,089.40 and 3,278.67

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Solution

The fourth proportional to 3,707.72, 5,089.40 and 3,278.67 is: 4,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.72 : 5,089.40 = 3,278.67 : x
  2. Step 2: Convert to fraction form
    3,707.72/5,089.40 = 3,278.67/x
  3. Step 3: Cross multiply
    3,707.72x = 5,089.40 × 3,278.67
  4. Step 4: Simplify right side
    3,707.72x = 16,686,446.70
  5. Step 5: Solve for x
    x = 16,686,446.70/3,707.72
  6. Step 6: Final answer
    x = 4,500.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.