Home / 4,154.39-6,231.67-1,555.91

Finding the Fourth Proportional to 4,154.39, 6,231.67 and 1,555.91

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Solution

The fourth proportional to 4,154.39, 6,231.67 and 1,555.91 is: 2,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.39 : 6,231.67 = 1,555.91 : x
  2. Step 2: Convert to fraction form
    4,154.39/6,231.67 = 1,555.91/x
  3. Step 3: Cross multiply
    4,154.39x = 6,231.67 × 1,555.91
  4. Step 4: Simplify right side
    4,154.39x = 9,695,882.62
  5. Step 5: Solve for x
    x = 9,695,882.62/4,154.39
  6. Step 6: Final answer
    x = 2,333.89

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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.