Home / 2,977.72-4,462.98-2,627.80

Finding the Fourth Proportional to 2,977.72, 4,462.98 and 2,627.80

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Solution

The fourth proportional to 2,977.72, 4,462.98 and 2,627.80 is: 3,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.72 : 4,462.98 = 2,627.80 : x
  2. Step 2: Convert to fraction form
    2,977.72/4,462.98 = 2,627.80/x
  3. Step 3: Cross multiply
    2,977.72x = 4,462.98 × 2,627.80
  4. Step 4: Simplify right side
    2,977.72x = 11,727,818.84
  5. Step 5: Solve for x
    x = 11,727,818.84/2,977.72
  6. Step 6: Final answer
    x = 3,938.52

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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.