Home / 3,347.78-4,620.48-3,200.14

Finding the Fourth Proportional to 3,347.78, 4,620.48 and 3,200.14

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Solution

The fourth proportional to 3,347.78, 4,620.48 and 3,200.14 is: 4,416.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.78 : 4,620.48 = 3,200.14 : x
  2. Step 2: Convert to fraction form
    3,347.78/4,620.48 = 3,200.14/x
  3. Step 3: Cross multiply
    3,347.78x = 4,620.48 × 3,200.14
  4. Step 4: Simplify right side
    3,347.78x = 14,786,182.87
  5. Step 5: Solve for x
    x = 14,786,182.87/3,347.78
  6. Step 6: Final answer
    x = 4,416.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.