Home / 2,623.01-3,620.96-1,867.28

Finding the Fourth Proportional to 2,623.01, 3,620.96 and 1,867.28

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Solution

The fourth proportional to 2,623.01, 3,620.96 and 1,867.28 is: 2,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.01 : 3,620.96 = 1,867.28 : x
  2. Step 2: Convert to fraction form
    2,623.01/3,620.96 = 1,867.28/x
  3. Step 3: Cross multiply
    2,623.01x = 3,620.96 × 1,867.28
  4. Step 4: Simplify right side
    2,623.01x = 6,761,359.91
  5. Step 5: Solve for x
    x = 6,761,359.91/2,623.01
  6. Step 6: Final answer
    x = 2,577.71

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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.