Home / 2,923.76-4,024.68-2,529.20

Finding the Fourth Proportional to 2,923.76, 4,024.68 and 2,529.20

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Solution

The fourth proportional to 2,923.76, 4,024.68 and 2,529.20 is: 3,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923.76 : 4,024.68 = 2,529.20 : x
  2. Step 2: Convert to fraction form
    2,923.76/4,024.68 = 2,529.20/x
  3. Step 3: Cross multiply
    2,923.76x = 4,024.68 × 2,529.20
  4. Step 4: Simplify right side
    2,923.76x = 10,179,220.66
  5. Step 5: Solve for x
    x = 10,179,220.66/2,923.76
  6. Step 6: Final answer
    x = 3,481.55

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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.