Home / 3,153.84-4,727.67-1,511.53

Finding the Fourth Proportional to 3,153.84, 4,727.67 and 1,511.53

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Solution

The fourth proportional to 3,153.84, 4,727.67 and 1,511.53 is: 2,265.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.84 : 4,727.67 = 1,511.53 : x
  2. Step 2: Convert to fraction form
    3,153.84/4,727.67 = 1,511.53/x
  3. Step 3: Cross multiply
    3,153.84x = 4,727.67 × 1,511.53
  4. Step 4: Simplify right side
    3,153.84x = 7,146,015.04
  5. Step 5: Solve for x
    x = 7,146,015.04/3,153.84
  6. Step 6: Final answer
    x = 2,265.81

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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.