Home / 3,720.16-5,580.18-3,025.96

Finding the Fourth Proportional to 3,720.16, 5,580.18 and 3,025.96

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Solution

The fourth proportional to 3,720.16, 5,580.18 and 3,025.96 is: 4,538.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.16 : 5,580.18 = 3,025.96 : x
  2. Step 2: Convert to fraction form
    3,720.16/5,580.18 = 3,025.96/x
  3. Step 3: Cross multiply
    3,720.16x = 5,580.18 × 3,025.96
  4. Step 4: Simplify right side
    3,720.16x = 16,885,401.47
  5. Step 5: Solve for x
    x = 16,885,401.47/3,720.16
  6. Step 6: Final answer
    x = 4,538.89

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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.