Home / 3,553.86-5,332.36-1,908.48

Finding the Fourth Proportional to 3,553.86, 5,332.36 and 1,908.48

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Solution

The fourth proportional to 3,553.86, 5,332.36 and 1,908.48 is: 2,863.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.86 : 5,332.36 = 1,908.48 : x
  2. Step 2: Convert to fraction form
    3,553.86/5,332.36 = 1,908.48/x
  3. Step 3: Cross multiply
    3,553.86x = 5,332.36 × 1,908.48
  4. Step 4: Simplify right side
    3,553.86x = 10,176,702.41
  5. Step 5: Solve for x
    x = 10,176,702.41/3,553.86
  6. Step 6: Final answer
    x = 2,863.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.