Home / 3,173.38-4,369.48-2,818.68

Finding the Fourth Proportional to 3,173.38, 4,369.48 and 2,818.68

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Solution

The fourth proportional to 3,173.38, 4,369.48 and 2,818.68 is: 3,881.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.38 : 4,369.48 = 2,818.68 : x
  2. Step 2: Convert to fraction form
    3,173.38/4,369.48 = 2,818.68/x
  3. Step 3: Cross multiply
    3,173.38x = 4,369.48 × 2,818.68
  4. Step 4: Simplify right side
    3,173.38x = 12,316,174.61
  5. Step 5: Solve for x
    x = 12,316,174.61/3,173.38
  6. Step 6: Final answer
    x = 3,881.09

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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.