Home / 3,123.32-4,305.15-2,744.24

Finding the Fourth Proportional to 3,123.32, 4,305.15 and 2,744.24

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Solution

The fourth proportional to 3,123.32, 4,305.15 and 2,744.24 is: 3,782.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.32 : 4,305.15 = 2,744.24 : x
  2. Step 2: Convert to fraction form
    3,123.32/4,305.15 = 2,744.24/x
  3. Step 3: Cross multiply
    3,123.32x = 4,305.15 × 2,744.24
  4. Step 4: Simplify right side
    3,123.32x = 11,814,343.31
  5. Step 5: Solve for x
    x = 11,814,343.31/3,123.32
  6. Step 6: Final answer
    x = 3,782.63

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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.