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Finding the Fourth Proportional to 3,492.68, 4,815 and 2,313.32

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Solution

The fourth proportional to 3,492.68, 4,815 and 2,313.32 is: 3,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.68 : 4,815 = 2,313.32 : x
  2. Step 2: Convert to fraction form
    3,492.68/4,815 = 2,313.32/x
  3. Step 3: Cross multiply
    3,492.68x = 4,815 × 2,313.32
  4. Step 4: Simplify right side
    3,492.68x = 11,138,635.80
  5. Step 5: Solve for x
    x = 11,138,635.80/3,492.68
  6. Step 6: Final answer
    x = 3,189.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.