Home / 2,623.32-3,620.28-1,739.40

Finding the Fourth Proportional to 2,623.32, 3,620.28 and 1,739.40

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Solution

The fourth proportional to 2,623.32, 3,620.28 and 1,739.40 is: 2,400.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.32 : 3,620.28 = 1,739.40 : x
  2. Step 2: Convert to fraction form
    2,623.32/3,620.28 = 1,739.40/x
  3. Step 3: Cross multiply
    2,623.32x = 3,620.28 × 1,739.40
  4. Step 4: Simplify right side
    2,623.32x = 6,297,115.03
  5. Step 5: Solve for x
    x = 6,297,115.03/2,623.32
  6. Step 6: Final answer
    x = 2,400.44

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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.