Home / 3,821.58-5,275.96-2,923.66

Finding the Fourth Proportional to 3,821.58, 5,275.96 and 2,923.66

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Solution

The fourth proportional to 3,821.58, 5,275.96 and 2,923.66 is: 4,036.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.58 : 5,275.96 = 2,923.66 : x
  2. Step 2: Convert to fraction form
    3,821.58/5,275.96 = 2,923.66/x
  3. Step 3: Cross multiply
    3,821.58x = 5,275.96 × 2,923.66
  4. Step 4: Simplify right side
    3,821.58x = 15,425,113.21
  5. Step 5: Solve for x
    x = 15,425,113.21/3,821.58
  6. Step 6: Final answer
    x = 4,036.32

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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.