Home / 3,639.63-5,022.71-2,313.36

Finding the Fourth Proportional to 3,639.63, 5,022.71 and 2,313.36

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Solution

The fourth proportional to 3,639.63, 5,022.71 and 2,313.36 is: 3,192.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.63 : 5,022.71 = 2,313.36 : x
  2. Step 2: Convert to fraction form
    3,639.63/5,022.71 = 2,313.36/x
  3. Step 3: Cross multiply
    3,639.63x = 5,022.71 × 2,313.36
  4. Step 4: Simplify right side
    3,639.63x = 11,619,333.51
  5. Step 5: Solve for x
    x = 11,619,333.51/3,639.63
  6. Step 6: Final answer
    x = 3,192.45

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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.