Home / 2,971.19-4,456.67-750.00

Finding the Fourth Proportional to 2,971.19, 4,456.67 and 750.00

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Solution

The fourth proportional to 2,971.19, 4,456.67 and 750.00 is: 1,124.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.19 : 4,456.67 = 750.00 : x
  2. Step 2: Convert to fraction form
    2,971.19/4,456.67 = 750.00/x
  3. Step 3: Cross multiply
    2,971.19x = 4,456.67 × 750.00
  4. Step 4: Simplify right side
    2,971.19x = 3,342,489.53
  5. Step 5: Solve for x
    x = 3,342,489.53/2,971.19
  6. Step 6: Final answer
    x = 1,124.97

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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.