Home / 3,218.12-4,818.08-2,045.22

Finding the Fourth Proportional to 3,218.12, 4,818.08 and 2,045.22

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Solution

The fourth proportional to 3,218.12, 4,818.08 and 2,045.22 is: 3,062.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.12 : 4,818.08 = 2,045.22 : x
  2. Step 2: Convert to fraction form
    3,218.12/4,818.08 = 2,045.22/x
  3. Step 3: Cross multiply
    3,218.12x = 4,818.08 × 2,045.22
  4. Step 4: Simplify right side
    3,218.12x = 9,854,012.95
  5. Step 5: Solve for x
    x = 9,854,012.95/3,218.12
  6. Step 6: Final answer
    x = 3,062.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.