Home / 3,853.58-5,315.78-2,436.83

Finding the Fourth Proportional to 3,853.58, 5,315.78 and 2,436.83

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Solution

The fourth proportional to 3,853.58, 5,315.78 and 2,436.83 is: 3,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.58 : 5,315.78 = 2,436.83 : x
  2. Step 2: Convert to fraction form
    3,853.58/5,315.78 = 2,436.83/x
  3. Step 3: Cross multiply
    3,853.58x = 5,315.78 × 2,436.83
  4. Step 4: Simplify right side
    3,853.58x = 12,953,639.99
  5. Step 5: Solve for x
    x = 12,953,639.99/3,853.58
  6. Step 6: Final answer
    x = 3,361.46

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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.