Home / 3,821.39-5,271.58-2,495.87

Finding the Fourth Proportional to 3,821.39, 5,271.58 and 2,495.87

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Solution

The fourth proportional to 3,821.39, 5,271.58 and 2,495.87 is: 3,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.39 : 5,271.58 = 2,495.87 : x
  2. Step 2: Convert to fraction form
    3,821.39/5,271.58 = 2,495.87/x
  3. Step 3: Cross multiply
    3,821.39x = 5,271.58 × 2,495.87
  4. Step 4: Simplify right side
    3,821.39x = 13,157,165.90
  5. Step 5: Solve for x
    x = 13,157,165.90/3,821.39
  6. Step 6: Final answer
    x = 3,443.03

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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.