Home / 3,624.81-5,438.13-1,027.75

Finding the Fourth Proportional to 3,624.81, 5,438.13 and 1,027.75

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Solution

The fourth proportional to 3,624.81, 5,438.13 and 1,027.75 is: 1,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.81 : 5,438.13 = 1,027.75 : x
  2. Step 2: Convert to fraction form
    3,624.81/5,438.13 = 1,027.75/x
  3. Step 3: Cross multiply
    3,624.81x = 5,438.13 × 1,027.75
  4. Step 4: Simplify right side
    3,624.81x = 5,589,038.11
  5. Step 5: Solve for x
    x = 5,589,038.11/3,624.81
  6. Step 6: Final answer
    x = 1,541.88

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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.