Home / 2,920.09-4,381.17-1,823.19

Finding the Fourth Proportional to 2,920.09, 4,381.17 and 1,823.19

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Solution

The fourth proportional to 2,920.09, 4,381.17 and 1,823.19 is: 2,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.09 : 4,381.17 = 1,823.19 : x
  2. Step 2: Convert to fraction form
    2,920.09/4,381.17 = 1,823.19/x
  3. Step 3: Cross multiply
    2,920.09x = 4,381.17 × 1,823.19
  4. Step 4: Simplify right side
    2,920.09x = 7,987,705.33
  5. Step 5: Solve for x
    x = 7,987,705.33/2,920.09
  6. Step 6: Final answer
    x = 2,735.43

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1.5x scale

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.