Home / 3,548.80-4,897.52-1,976.88

Finding the Fourth Proportional to 3,548.80, 4,897.52 and 1,976.88

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Solution

The fourth proportional to 3,548.80, 4,897.52 and 1,976.88 is: 2,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.80 : 4,897.52 = 1,976.88 : x
  2. Step 2: Convert to fraction form
    3,548.80/4,897.52 = 1,976.88/x
  3. Step 3: Cross multiply
    3,548.80x = 4,897.52 × 1,976.88
  4. Step 4: Simplify right side
    3,548.80x = 9,681,809.34
  5. Step 5: Solve for x
    x = 9,681,809.34/3,548.80
  6. Step 6: Final answer
    x = 2,728.19

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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.