Home / 3,601.67-4,968.74-2,109.65

Finding the Fourth Proportional to 3,601.67, 4,968.74 and 2,109.65

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Solution

The fourth proportional to 3,601.67, 4,968.74 and 2,109.65 is: 2,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.67 : 4,968.74 = 2,109.65 : x
  2. Step 2: Convert to fraction form
    3,601.67/4,968.74 = 2,109.65/x
  3. Step 3: Cross multiply
    3,601.67x = 4,968.74 × 2,109.65
  4. Step 4: Simplify right side
    3,601.67x = 10,482,282.77
  5. Step 5: Solve for x
    x = 10,482,282.77/3,601.67
  6. Step 6: Final answer
    x = 2,910.40

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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.