Home / 3,436.53-5,153.78-1,792.23

Finding the Fourth Proportional to 3,436.53, 5,153.78 and 1,792.23

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Solution

The fourth proportional to 3,436.53, 5,153.78 and 1,792.23 is: 2,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.53 : 5,153.78 = 1,792.23 : x
  2. Step 2: Convert to fraction form
    3,436.53/5,153.78 = 1,792.23/x
  3. Step 3: Cross multiply
    3,436.53x = 5,153.78 × 1,792.23
  4. Step 4: Simplify right side
    3,436.53x = 9,236,750.17
  5. Step 5: Solve for x
    x = 9,236,750.17/3,436.53
  6. Step 6: Final answer
    x = 2,687.81

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1.5x scale

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.