Home / 3,387.27-5,079.46-2,455.06

Finding the Fourth Proportional to 3,387.27, 5,079.46 and 2,455.06

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Solution

The fourth proportional to 3,387.27, 5,079.46 and 2,455.06 is: 3,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.27 : 5,079.46 = 2,455.06 : x
  2. Step 2: Convert to fraction form
    3,387.27/5,079.46 = 2,455.06/x
  3. Step 3: Cross multiply
    3,387.27x = 5,079.46 × 2,455.06
  4. Step 4: Simplify right side
    3,387.27x = 12,470,374.36
  5. Step 5: Solve for x
    x = 12,470,374.36/3,387.27
  6. Step 6: Final answer
    x = 3,681.54

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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.