Home / 3,548.61-4,897.09-1,976.71

Finding the Fourth Proportional to 3,548.61, 4,897.09 and 1,976.71

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Solution

The fourth proportional to 3,548.61, 4,897.09 and 1,976.71 is: 2,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.61 : 4,897.09 = 1,976.71 : x
  2. Step 2: Convert to fraction form
    3,548.61/4,897.09 = 1,976.71/x
  3. Step 3: Cross multiply
    3,548.61x = 4,897.09 × 1,976.71
  4. Step 4: Simplify right side
    3,548.61x = 9,680,109.59
  5. Step 5: Solve for x
    x = 9,680,109.59/3,548.61
  6. Step 6: Final answer
    x = 2,727.86

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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.