Home / 4,153.84-6,230.66-1,688.05

Finding the Fourth Proportional to 4,153.84, 6,230.66 and 1,688.05

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Solution

The fourth proportional to 4,153.84, 6,230.66 and 1,688.05 is: 2,532.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.84 : 6,230.66 = 1,688.05 : x
  2. Step 2: Convert to fraction form
    4,153.84/6,230.66 = 1,688.05/x
  3. Step 3: Cross multiply
    4,153.84x = 6,230.66 × 1,688.05
  4. Step 4: Simplify right side
    4,153.84x = 10,517,629.91
  5. Step 5: Solve for x
    x = 10,517,629.91/4,153.84
  6. Step 6: Final answer
    x = 2,532.03

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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.