Home / 3,401.60-5,099.08-1,861.52

Finding the Fourth Proportional to 3,401.60, 5,099.08 and 1,861.52

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Solution

The fourth proportional to 3,401.60, 5,099.08 and 1,861.52 is: 2,790.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.60 : 5,099.08 = 1,861.52 : x
  2. Step 2: Convert to fraction form
    3,401.60/5,099.08 = 1,861.52/x
  3. Step 3: Cross multiply
    3,401.60x = 5,099.08 × 1,861.52
  4. Step 4: Simplify right side
    3,401.60x = 9,492,039.40
  5. Step 5: Solve for x
    x = 9,492,039.40/3,401.60
  6. Step 6: Final answer
    x = 2,790.46

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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.