Home / 3,548.22-4,897.68-2,221.08

Finding the Fourth Proportional to 3,548.22, 4,897.68 and 2,221.08

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Solution

The fourth proportional to 3,548.22, 4,897.68 and 2,221.08 is: 3,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.22 : 4,897.68 = 2,221.08 : x
  2. Step 2: Convert to fraction form
    3,548.22/4,897.68 = 2,221.08/x
  3. Step 3: Cross multiply
    3,548.22x = 4,897.68 × 2,221.08
  4. Step 4: Simplify right side
    3,548.22x = 10,878,139.09
  5. Step 5: Solve for x
    x = 10,878,139.09/3,548.22
  6. Step 6: Final answer
    x = 3,065.80

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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.