Home / 2,956.98-4,080.63-1,778.13

Finding the Fourth Proportional to 2,956.98, 4,080.63 and 1,778.13

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Solution

The fourth proportional to 2,956.98, 4,080.63 and 1,778.13 is: 2,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.98 : 4,080.63 = 1,778.13 : x
  2. Step 2: Convert to fraction form
    2,956.98/4,080.63 = 1,778.13/x
  3. Step 3: Cross multiply
    2,956.98x = 4,080.63 × 1,778.13
  4. Step 4: Simplify right side
    2,956.98x = 7,255,890.62
  5. Step 5: Solve for x
    x = 7,255,890.62/2,956.98
  6. Step 6: Final answer
    x = 2,453.82

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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.