Home / 2,748.64-4,123.36-1,450.20

Finding the Fourth Proportional to 2,748.64, 4,123.36 and 1,450.20

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Solution

The fourth proportional to 2,748.64, 4,123.36 and 1,450.20 is: 2,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.64 : 4,123.36 = 1,450.20 : x
  2. Step 2: Convert to fraction form
    2,748.64/4,123.36 = 1,450.20/x
  3. Step 3: Cross multiply
    2,748.64x = 4,123.36 × 1,450.20
  4. Step 4: Simplify right side
    2,748.64x = 5,979,696.67
  5. Step 5: Solve for x
    x = 5,979,696.67/2,748.64
  6. Step 6: Final answer
    x = 2,175.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.