Home / 2,956.96-4,080.28-1,630.59

Finding the Fourth Proportional to 2,956.96, 4,080.28 and 1,630.59

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Solution

The fourth proportional to 2,956.96, 4,080.28 and 1,630.59 is: 2,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.96 : 4,080.28 = 1,630.59 : x
  2. Step 2: Convert to fraction form
    2,956.96/4,080.28 = 1,630.59/x
  3. Step 3: Cross multiply
    2,956.96x = 4,080.28 × 1,630.59
  4. Step 4: Simplify right side
    2,956.96x = 6,653,263.77
  5. Step 5: Solve for x
    x = 6,653,263.77/2,956.96
  6. Step 6: Final answer
    x = 2,250.04

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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.