Home / 1,771.11-2,642.85-1,760.91

Finding the Fourth Proportional to 1,771.11, 2,642.85 and 1,760.91

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Solution

The fourth proportional to 1,771.11, 2,642.85 and 1,760.91 is: 2,627.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.11 : 2,642.85 = 1,760.91 : x
  2. Step 2: Convert to fraction form
    1,771.11/2,642.85 = 1,760.91/x
  3. Step 3: Cross multiply
    1,771.11x = 2,642.85 × 1,760.91
  4. Step 4: Simplify right side
    1,771.11x = 4,653,820.99
  5. Step 5: Solve for x
    x = 4,653,820.99/1,771.11
  6. Step 6: Final answer
    x = 2,627.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.