Home / 2,785.32-4,184.46-1,631.88

Finding the Fourth Proportional to 2,785.32, 4,184.46 and 1,631.88

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Solution

The fourth proportional to 2,785.32, 4,184.46 and 1,631.88 is: 2,451.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.32 : 4,184.46 = 1,631.88 : x
  2. Step 2: Convert to fraction form
    2,785.32/4,184.46 = 1,631.88/x
  3. Step 3: Cross multiply
    2,785.32x = 4,184.46 × 1,631.88
  4. Step 4: Simplify right side
    2,785.32x = 6,828,536.58
  5. Step 5: Solve for x
    x = 6,828,536.58/2,785.32
  6. Step 6: Final answer
    x = 2,451.62

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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.