Home / 2,920.06-4,029.70-1,593.78

Finding the Fourth Proportional to 2,920.06, 4,029.70 and 1,593.78

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Solution

The fourth proportional to 2,920.06, 4,029.70 and 1,593.78 is: 2,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.06 : 4,029.70 = 1,593.78 : x
  2. Step 2: Convert to fraction form
    2,920.06/4,029.70 = 1,593.78/x
  3. Step 3: Cross multiply
    2,920.06x = 4,029.70 × 1,593.78
  4. Step 4: Simplify right side
    2,920.06x = 6,422,455.27
  5. Step 5: Solve for x
    x = 6,422,455.27/2,920.06
  6. Step 6: Final answer
    x = 2,199.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.