Home / 2,920.07-4,029.72-1,593.78

Finding the Fourth Proportional to 2,920.07, 4,029.72 and 1,593.78

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Solution

The fourth proportional to 2,920.07, 4,029.72 and 1,593.78 is: 2,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920.07 : 4,029.72 = 1,593.78 : x
  2. Step 2: Convert to fraction form
    2,920.07/4,029.72 = 1,593.78/x
  3. Step 3: Cross multiply
    2,920.07x = 4,029.72 × 1,593.78
  4. Step 4: Simplify right side
    2,920.07x = 6,422,487.14
  5. Step 5: Solve for x
    x = 6,422,487.14/2,920.07
  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.