Home / 3,637.80-5,429.97-3,516.12

Finding the Fourth Proportional to 3,637.80, 5,429.97 and 3,516.12

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Solution

The fourth proportional to 3,637.80, 5,429.97 and 3,516.12 is: 5,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.80 : 5,429.97 = 3,516.12 : x
  2. Step 2: Convert to fraction form
    3,637.80/5,429.97 = 3,516.12/x
  3. Step 3: Cross multiply
    3,637.80x = 5,429.97 × 3,516.12
  4. Step 4: Simplify right side
    3,637.80x = 19,092,426.12
  5. Step 5: Solve for x
    x = 19,092,426.12/3,637.80
  6. Step 6: Final answer
    x = 5,248.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.