Home / 3,792.20-5,688.30-1,602.50

Finding the Fourth Proportional to 3,792.20, 5,688.30 and 1,602.50

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Solution

The fourth proportional to 3,792.20, 5,688.30 and 1,602.50 is: 2,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.20 : 5,688.30 = 1,602.50 : x
  2. Step 2: Convert to fraction form
    3,792.20/5,688.30 = 1,602.50/x
  3. Step 3: Cross multiply
    3,792.20x = 5,688.30 × 1,602.50
  4. Step 4: Simplify right side
    3,792.20x = 9,115,500.75
  5. Step 5: Solve for x
    x = 9,115,500.75/3,792.20
  6. Step 6: Final answer
    x = 2,403.75

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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.