Home / 3,548.86-4,897.62-1,976.98

Finding the Fourth Proportional to 3,548.86, 4,897.62 and 1,976.98

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Solution

The fourth proportional to 3,548.86, 4,897.62 and 1,976.98 is: 2,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.86 : 4,897.62 = 1,976.98 : x
  2. Step 2: Convert to fraction form
    3,548.86/4,897.62 = 1,976.98/x
  3. Step 3: Cross multiply
    3,548.86x = 4,897.62 × 1,976.98
  4. Step 4: Simplify right side
    3,548.86x = 9,682,496.79
  5. Step 5: Solve for x
    x = 9,682,496.79/3,548.86
  6. Step 6: Final answer
    x = 2,728.34

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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.