Home / 3,427.53-5,143.56-3,148.71

Finding the Fourth Proportional to 3,427.53, 5,143.56 and 3,148.71

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Solution

The fourth proportional to 3,427.53, 5,143.56 and 3,148.71 is: 4,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.53 : 5,143.56 = 3,148.71 : x
  2. Step 2: Convert to fraction form
    3,427.53/5,143.56 = 3,148.71/x
  3. Step 3: Cross multiply
    3,427.53x = 5,143.56 × 3,148.71
  4. Step 4: Simplify right side
    3,427.53x = 16,195,578.81
  5. Step 5: Solve for x
    x = 16,195,578.81/3,427.53
  6. Step 6: Final answer
    x = 4,725.15

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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.