Home / 3,548.72-4,897.19-1,976.83

Finding the Fourth Proportional to 3,548.72, 4,897.19 and 1,976.83

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Solution

The fourth proportional to 3,548.72, 4,897.19 and 1,976.83 is: 2,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.72 : 4,897.19 = 1,976.83 : x
  2. Step 2: Convert to fraction form
    3,548.72/4,897.19 = 1,976.83/x
  3. Step 3: Cross multiply
    3,548.72x = 4,897.19 × 1,976.83
  4. Step 4: Simplify right side
    3,548.72x = 9,680,877.74
  5. Step 5: Solve for x
    x = 9,680,877.74/3,548.72
  6. Step 6: Final answer
    x = 2,727.99

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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.