Home / 3,799.40-5,245.54-2,455.71

Finding the Fourth Proportional to 3,799.40, 5,245.54 and 2,455.71

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Solution

The fourth proportional to 3,799.40, 5,245.54 and 2,455.71 is: 3,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799.40 : 5,245.54 = 2,455.71 : x
  2. Step 2: Convert to fraction form
    3,799.40/5,245.54 = 2,455.71/x
  3. Step 3: Cross multiply
    3,799.40x = 5,245.54 × 2,455.71
  4. Step 4: Simplify right side
    3,799.40x = 12,881,544.29
  5. Step 5: Solve for x
    x = 12,881,544.29/3,799.40
  6. Step 6: Final answer
    x = 3,390.42

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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.