Home / 3,148.47-4,338.48-2,435.99

Finding the Fourth Proportional to 3,148.47, 4,338.48 and 2,435.99

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Solution

The fourth proportional to 3,148.47, 4,338.48 and 2,435.99 is: 3,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.47 : 4,338.48 = 2,435.99 : x
  2. Step 2: Convert to fraction form
    3,148.47/4,338.48 = 2,435.99/x
  3. Step 3: Cross multiply
    3,148.47x = 4,338.48 × 2,435.99
  4. Step 4: Simplify right side
    3,148.47x = 10,568,493.90
  5. Step 5: Solve for x
    x = 10,568,493.90/3,148.47
  6. Step 6: Final answer
    x = 3,356.71

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1.5x scale

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.