Home / 2,674.73-4,011.48-1,287.35

Finding the Fourth Proportional to 2,674.73, 4,011.48 and 1,287.35

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Solution

The fourth proportional to 2,674.73, 4,011.48 and 1,287.35 is: 1,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.73 : 4,011.48 = 1,287.35 : x
  2. Step 2: Convert to fraction form
    2,674.73/4,011.48 = 1,287.35/x
  3. Step 3: Cross multiply
    2,674.73x = 4,011.48 × 1,287.35
  4. Step 4: Simplify right side
    2,674.73x = 5,164,188.81
  5. Step 5: Solve for x
    x = 5,164,188.81/2,674.73
  6. Step 6: Final answer
    x = 1,930.74

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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.