Home / 2,971.92-4,453.56-1,666.74

Finding the Fourth Proportional to 2,971.92, 4,453.56 and 1,666.74

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Solution

The fourth proportional to 2,971.92, 4,453.56 and 1,666.74 is: 2,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.92 : 4,453.56 = 1,666.74 : x
  2. Step 2: Convert to fraction form
    2,971.92/4,453.56 = 1,666.74/x
  3. Step 3: Cross multiply
    2,971.92x = 4,453.56 × 1,666.74
  4. Step 4: Simplify right side
    2,971.92x = 7,422,926.59
  5. Step 5: Solve for x
    x = 7,422,926.59/2,971.92
  6. Step 6: Final answer
    x = 2,497.69

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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.