Home / 3,708.72-5,090.77-3,279.67

Finding the Fourth Proportional to 3,708.72, 5,090.77 and 3,279.67

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Solution

The fourth proportional to 3,708.72, 5,090.77 and 3,279.67 is: 4,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.72 : 5,090.77 = 3,279.67 : x
  2. Step 2: Convert to fraction form
    3,708.72/5,090.77 = 3,279.67/x
  3. Step 3: Cross multiply
    3,708.72x = 5,090.77 × 3,279.67
  4. Step 4: Simplify right side
    3,708.72x = 16,696,045.65
  5. Step 5: Solve for x
    x = 16,696,045.65/3,708.72
  6. Step 6: Final answer
    x = 4,501.84

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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.