Home / 2,956.85-4,080.34-1,630.47

Finding the Fourth Proportional to 2,956.85, 4,080.34 and 1,630.47

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Solution

The fourth proportional to 2,956.85, 4,080.34 and 1,630.47 is: 2,249.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.85 : 4,080.34 = 1,630.47 : x
  2. Step 2: Convert to fraction form
    2,956.85/4,080.34 = 1,630.47/x
  3. Step 3: Cross multiply
    2,956.85x = 4,080.34 × 1,630.47
  4. Step 4: Simplify right side
    2,956.85x = 6,652,871.96
  5. Step 5: Solve for x
    x = 6,652,871.96/2,956.85
  6. Step 6: Final answer
    x = 2,249.99

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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.