Home / 3,459.12-5,208.96-2,491.92

Finding the Fourth Proportional to 3,459.12, 5,208.96 and 2,491.92

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Solution

The fourth proportional to 3,459.12, 5,208.96 and 2,491.92 is: 3,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.12 : 5,208.96 = 2,491.92 : x
  2. Step 2: Convert to fraction form
    3,459.12/5,208.96 = 2,491.92/x
  3. Step 3: Cross multiply
    3,459.12x = 5,208.96 × 2,491.92
  4. Step 4: Simplify right side
    3,459.12x = 12,980,311.60
  5. Step 5: Solve for x
    x = 12,980,311.60/3,459.12
  6. Step 6: Final answer
    x = 3,752.49

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.