Home / 3,117.39-4,676.07-2,961.66

Finding the Fourth Proportional to 3,117.39, 4,676.07 and 2,961.66

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Solution

The fourth proportional to 3,117.39, 4,676.07 and 2,961.66 is: 4,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.39 : 4,676.07 = 2,961.66 : x
  2. Step 2: Convert to fraction form
    3,117.39/4,676.07 = 2,961.66/x
  3. Step 3: Cross multiply
    3,117.39x = 4,676.07 × 2,961.66
  4. Step 4: Simplify right side
    3,117.39x = 13,848,929.48
  5. Step 5: Solve for x
    x = 13,848,929.48/3,117.39
  6. Step 6: Final answer
    x = 4,442.48

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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.