Home / 2,260.86-3,390.21-1,799.88

Finding the Fourth Proportional to 2,260.86, 3,390.21 and 1,799.88

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Solution

The fourth proportional to 2,260.86, 3,390.21 and 1,799.88 is: 2,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.86 : 3,390.21 = 1,799.88 : x
  2. Step 2: Convert to fraction form
    2,260.86/3,390.21 = 1,799.88/x
  3. Step 3: Cross multiply
    2,260.86x = 3,390.21 × 1,799.88
  4. Step 4: Simplify right side
    2,260.86x = 6,101,971.17
  5. Step 5: Solve for x
    x = 6,101,971.17/2,260.86
  6. Step 6: Final answer
    x = 2,698.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.