Home / 3,821.64-5,269.62-2,493.06

Finding the Fourth Proportional to 3,821.64, 5,269.62 and 2,493.06

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Solution

The fourth proportional to 3,821.64, 5,269.62 and 2,493.06 is: 3,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.64 : 5,269.62 = 2,493.06 : x
  2. Step 2: Convert to fraction form
    3,821.64/5,269.62 = 2,493.06/x
  3. Step 3: Cross multiply
    3,821.64x = 5,269.62 × 2,493.06
  4. Step 4: Simplify right side
    3,821.64x = 13,137,478.84
  5. Step 5: Solve for x
    x = 13,137,478.84/3,821.64
  6. Step 6: Final answer
    x = 3,437.65

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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.