Home / 3,548.64-4,897.36-1,976.98

Finding the Fourth Proportional to 3,548.64, 4,897.36 and 1,976.98

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Solution

The fourth proportional to 3,548.64, 4,897.36 and 1,976.98 is: 2,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.64 : 4,897.36 = 1,976.98 : x
  2. Step 2: Convert to fraction form
    3,548.64/4,897.36 = 1,976.98/x
  3. Step 3: Cross multiply
    3,548.64x = 4,897.36 × 1,976.98
  4. Step 4: Simplify right side
    3,548.64x = 9,681,982.77
  5. Step 5: Solve for x
    x = 9,681,982.77/3,548.64
  6. Step 6: Final answer
    x = 2,728.36

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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.