Home / 3,653.48-5,043.39-2,813.87

Finding the Fourth Proportional to 3,653.48, 5,043.39 and 2,813.87

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Solution

The fourth proportional to 3,653.48, 5,043.39 and 2,813.87 is: 3,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.48 : 5,043.39 = 2,813.87 : x
  2. Step 2: Convert to fraction form
    3,653.48/5,043.39 = 2,813.87/x
  3. Step 3: Cross multiply
    3,653.48x = 5,043.39 × 2,813.87
  4. Step 4: Simplify right side
    3,653.48x = 14,191,443.82
  5. Step 5: Solve for x
    x = 14,191,443.82/3,653.48
  6. Step 6: Final answer
    x = 3,884.36

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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.