Home / 2,704.96-4,055.85-2,315.20

Finding the Fourth Proportional to 2,704.96, 4,055.85 and 2,315.20

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Solution

The fourth proportional to 2,704.96, 4,055.85 and 2,315.20 is: 3,471.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.96 : 4,055.85 = 2,315.20 : x
  2. Step 2: Convert to fraction form
    2,704.96/4,055.85 = 2,315.20/x
  3. Step 3: Cross multiply
    2,704.96x = 4,055.85 × 2,315.20
  4. Step 4: Simplify right side
    2,704.96x = 9,390,103.92
  5. Step 5: Solve for x
    x = 9,390,103.92/2,704.96
  6. Step 6: Final answer
    x = 3,471.44

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1.5x scale

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.