Home / 2,670.75-4,001.76-1,631.07

Finding the Fourth Proportional to 2,670.75, 4,001.76 and 1,631.07

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Solution

The fourth proportional to 2,670.75, 4,001.76 and 1,631.07 is: 2,443.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.75 : 4,001.76 = 1,631.07 : x
  2. Step 2: Convert to fraction form
    2,670.75/4,001.76 = 1,631.07/x
  3. Step 3: Cross multiply
    2,670.75x = 4,001.76 × 1,631.07
  4. Step 4: Simplify right side
    2,670.75x = 6,527,150.68
  5. Step 5: Solve for x
    x = 6,527,150.68/2,670.75
  6. Step 6: Final answer
    x = 2,443.94

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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.