Home / 2,708.13-4,060.44-1,780.88

Finding the Fourth Proportional to 2,708.13, 4,060.44 and 1,780.88

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Solution

The fourth proportional to 2,708.13, 4,060.44 and 1,780.88 is: 2,670.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.13 : 4,060.44 = 1,780.88 : x
  2. Step 2: Convert to fraction form
    2,708.13/4,060.44 = 1,780.88/x
  3. Step 3: Cross multiply
    2,708.13x = 4,060.44 × 1,780.88
  4. Step 4: Simplify right side
    2,708.13x = 7,231,157.99
  5. Step 5: Solve for x
    x = 7,231,157.99/2,708.13
  6. Step 6: Final answer
    x = 2,670.17

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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.