Home / 3,720.33-5,580.90-1,527.80

Finding the Fourth Proportional to 3,720.33, 5,580.90 and 1,527.80

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Solution

The fourth proportional to 3,720.33, 5,580.90 and 1,527.80 is: 2,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.33 : 5,580.90 = 1,527.80 : x
  2. Step 2: Convert to fraction form
    3,720.33/5,580.90 = 1,527.80/x
  3. Step 3: Cross multiply
    3,720.33x = 5,580.90 × 1,527.80
  4. Step 4: Simplify right side
    3,720.33x = 8,526,471.12
  5. Step 5: Solve for x
    x = 8,526,471.12/3,720.33
  6. Step 6: Final answer
    x = 2,291.86

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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.