Home / 2,971.43-4,455.61-1,304.87

Finding the Fourth Proportional to 2,971.43, 4,455.61 and 1,304.87

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Solution

The fourth proportional to 2,971.43, 4,455.61 and 1,304.87 is: 1,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.43 : 4,455.61 = 1,304.87 : x
  2. Step 2: Convert to fraction form
    2,971.43/4,455.61 = 1,304.87/x
  3. Step 3: Cross multiply
    2,971.43x = 4,455.61 × 1,304.87
  4. Step 4: Simplify right side
    2,971.43x = 5,813,999.70
  5. Step 5: Solve for x
    x = 5,813,999.70/2,971.43
  6. Step 6: Final answer
    x = 1,956.63

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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.