Home / 2,647.28-3,651.58-1,704.30

Finding the Fourth Proportional to 2,647.28, 3,651.58 and 1,704.30

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Solution

The fourth proportional to 2,647.28, 3,651.58 and 1,704.30 is: 2,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.28 : 3,651.58 = 1,704.30 : x
  2. Step 2: Convert to fraction form
    2,647.28/3,651.58 = 1,704.30/x
  3. Step 3: Cross multiply
    2,647.28x = 3,651.58 × 1,704.30
  4. Step 4: Simplify right side
    2,647.28x = 6,223,387.79
  5. Step 5: Solve for x
    x = 6,223,387.79/2,647.28
  6. Step 6: Final answer
    x = 2,350.86

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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.