Home / 3,821.64-5,275.62-2,703.48

Finding the Fourth Proportional to 3,821.64, 5,275.62 and 2,703.48

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Solution

The fourth proportional to 3,821.64, 5,275.62 and 2,703.48 is: 3,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.64 : 5,275.62 = 2,703.48 : x
  2. Step 2: Convert to fraction form
    3,821.64/5,275.62 = 2,703.48/x
  3. Step 3: Cross multiply
    3,821.64x = 5,275.62 × 2,703.48
  4. Step 4: Simplify right side
    3,821.64x = 14,262,533.16
  5. Step 5: Solve for x
    x = 14,262,533.16/3,821.64
  6. Step 6: Final answer
    x = 3,732.05

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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.