Home / 3,821.56-5,276.27-2,646.25

Finding the Fourth Proportional to 3,821.56, 5,276.27 and 2,646.25

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Solution

The fourth proportional to 3,821.56, 5,276.27 and 2,646.25 is: 3,653.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.56 : 5,276.27 = 2,646.25 : x
  2. Step 2: Convert to fraction form
    3,821.56/5,276.27 = 2,646.25/x
  3. Step 3: Cross multiply
    3,821.56x = 5,276.27 × 2,646.25
  4. Step 4: Simplify right side
    3,821.56x = 13,962,329.49
  5. Step 5: Solve for x
    x = 13,962,329.49/3,821.56
  6. Step 6: Final answer
    x = 3,653.57

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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.