Home / 4,179.74-5,780.58-3,654.86

Finding the Fourth Proportional to 4,179.74, 5,780.58 and 3,654.86

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Solution

The fourth proportional to 4,179.74, 5,780.58 and 3,654.86 is: 5,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.74 : 5,780.58 = 3,654.86 : x
  2. Step 2: Convert to fraction form
    4,179.74/5,780.58 = 3,654.86/x
  3. Step 3: Cross multiply
    4,179.74x = 5,780.58 × 3,654.86
  4. Step 4: Simplify right side
    4,179.74x = 21,127,210.62
  5. Step 5: Solve for x
    x = 21,127,210.62/4,179.74
  6. Step 6: Final answer
    x = 5,054.67

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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.