Home / 3,205.05-4,421.39-2,495.63

Finding the Fourth Proportional to 3,205.05, 4,421.39 and 2,495.63

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Solution

The fourth proportional to 3,205.05, 4,421.39 and 2,495.63 is: 3,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.05 : 4,421.39 = 2,495.63 : x
  2. Step 2: Convert to fraction form
    3,205.05/4,421.39 = 2,495.63/x
  3. Step 3: Cross multiply
    3,205.05x = 4,421.39 × 2,495.63
  4. Step 4: Simplify right side
    3,205.05x = 11,034,153.53
  5. Step 5: Solve for x
    x = 11,034,153.53/3,205.05
  6. Step 6: Final answer
    x = 3,442.74

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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.