Home / 2,920.92-4,382.48-1,751.75

Finding the Fourth Proportional to 2,920.92, 4,382.48 and 1,751.75

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Solution

The fourth proportional to 2,920.92, 4,382.48 and 1,751.75 is: 2,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.92 : 4,382.48 = 1,751.75 : x
  2. Step 2: Convert to fraction form
    2,920.92/4,382.48 = 1,751.75/x
  3. Step 3: Cross multiply
    2,920.92x = 4,382.48 × 1,751.75
  4. Step 4: Simplify right side
    2,920.92x = 7,677,009.34
  5. Step 5: Solve for x
    x = 7,677,009.34/2,920.92
  6. Step 6: Final answer
    x = 2,628.28

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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.