Home / 3,176.40-4,751.10-2,849.70

Finding the Fourth Proportional to 3,176.40, 4,751.10 and 2,849.70

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Solution

The fourth proportional to 3,176.40, 4,751.10 and 2,849.70 is: 4,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.40 : 4,751.10 = 2,849.70 : x
  2. Step 2: Convert to fraction form
    3,176.40/4,751.10 = 2,849.70/x
  3. Step 3: Cross multiply
    3,176.40x = 4,751.10 × 2,849.70
  4. Step 4: Simplify right side
    3,176.40x = 13,539,209.67
  5. Step 5: Solve for x
    x = 13,539,209.67/3,176.40
  6. Step 6: Final answer
    x = 4,262.44

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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.