Home / 1,748.46-2,622.81-449.93

Finding the Fourth Proportional to 1,748.46, 2,622.81 and 449.93

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Solution

The fourth proportional to 1,748.46, 2,622.81 and 449.93 is: 674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.46 : 2,622.81 = 449.93 : x
  2. Step 2: Convert to fraction form
    1,748.46/2,622.81 = 449.93/x
  3. Step 3: Cross multiply
    1,748.46x = 2,622.81 × 449.93
  4. Step 4: Simplify right side
    1,748.46x = 1,180,077.97
  5. Step 5: Solve for x
    x = 1,180,077.97/1,748.46
  6. Step 6: Final answer
    x = 674.92

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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.