Home / 3,488.67-4,811.91-2,961.06

Finding the Fourth Proportional to 3,488.67, 4,811.91 and 2,961.06

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Solution

The fourth proportional to 3,488.67, 4,811.91 and 2,961.06 is: 4,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.67 : 4,811.91 = 2,961.06 : x
  2. Step 2: Convert to fraction form
    3,488.67/4,811.91 = 2,961.06/x
  3. Step 3: Cross multiply
    3,488.67x = 4,811.91 × 2,961.06
  4. Step 4: Simplify right side
    3,488.67x = 14,248,354.22
  5. Step 5: Solve for x
    x = 14,248,354.22/3,488.67
  6. Step 6: Final answer
    x = 4,084.18

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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.