Home / 3,534.22-4,877.94-2,042.20

Finding the Fourth Proportional to 3,534.22, 4,877.94 and 2,042.20

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Solution

The fourth proportional to 3,534.22, 4,877.94 and 2,042.20 is: 2,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.22 : 4,877.94 = 2,042.20 : x
  2. Step 2: Convert to fraction form
    3,534.22/4,877.94 = 2,042.20/x
  3. Step 3: Cross multiply
    3,534.22x = 4,877.94 × 2,042.20
  4. Step 4: Simplify right side
    3,534.22x = 9,961,729.07
  5. Step 5: Solve for x
    x = 9,961,729.07/3,534.22
  6. Step 6: Final answer
    x = 2,818.65

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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.