Home / 3,724.96-5,140.16-2,152

Finding the Fourth Proportional to 3,724.96, 5,140.16 and 2,152

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Solution

The fourth proportional to 3,724.96, 5,140.16 and 2,152 is: 2,969.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.96 : 5,140.16 = 2,152 : x
  2. Step 2: Convert to fraction form
    3,724.96/5,140.16 = 2,152/x
  3. Step 3: Cross multiply
    3,724.96x = 5,140.16 × 2,152
  4. Step 4: Simplify right side
    3,724.96x = 11,061,624.32
  5. Step 5: Solve for x
    x = 11,061,624.32/3,724.96
  6. Step 6: Final answer
    x = 2,969.60

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Why These Related Problems?

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