Home / 3,123.32-4,310.24-1,797.28

Finding the Fourth Proportional to 3,123.32, 4,310.24 and 1,797.28

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Solution

The fourth proportional to 3,123.32, 4,310.24 and 1,797.28 is: 2,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.32 : 4,310.24 = 1,797.28 : x
  2. Step 2: Convert to fraction form
    3,123.32/4,310.24 = 1,797.28/x
  3. Step 3: Cross multiply
    3,123.32x = 4,310.24 × 1,797.28
  4. Step 4: Simplify right side
    3,123.32x = 7,746,708.15
  5. Step 5: Solve for x
    x = 7,746,708.15/3,123.32
  6. Step 6: Final answer
    x = 2,480.28

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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.