Home / 3,749.90-5,624.33-1,284.68

Finding the Fourth Proportional to 3,749.90, 5,624.33 and 1,284.68

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Solution

The fourth proportional to 3,749.90, 5,624.33 and 1,284.68 is: 1,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.90 : 5,624.33 = 1,284.68 : x
  2. Step 2: Convert to fraction form
    3,749.90/5,624.33 = 1,284.68/x
  3. Step 3: Cross multiply
    3,749.90x = 5,624.33 × 1,284.68
  4. Step 4: Simplify right side
    3,749.90x = 7,225,464.26
  5. Step 5: Solve for x
    x = 7,225,464.26/3,749.90
  6. Step 6: Final answer
    x = 1,926.84

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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.