Home / 3,784.26-5,219.70-2,455.58

Finding the Fourth Proportional to 3,784.26, 5,219.70 and 2,455.58

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Solution

The fourth proportional to 3,784.26, 5,219.70 and 2,455.58 is: 3,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.26 : 5,219.70 = 2,455.58 : x
  2. Step 2: Convert to fraction form
    3,784.26/5,219.70 = 2,455.58/x
  3. Step 3: Cross multiply
    3,784.26x = 5,219.70 × 2,455.58
  4. Step 4: Simplify right side
    3,784.26x = 12,817,390.93
  5. Step 5: Solve for x
    x = 12,817,390.93/3,784.26
  6. Step 6: Final answer
    x = 3,387.03

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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.