Home / 1,748.13-2,622.19-449.59

Finding the Fourth Proportional to 1,748.13, 2,622.19 and 449.59

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Solution

The fourth proportional to 1,748.13, 2,622.19 and 449.59 is: 674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.13 : 2,622.19 = 449.59 : x
  2. Step 2: Convert to fraction form
    1,748.13/2,622.19 = 449.59/x
  3. Step 3: Cross multiply
    1,748.13x = 2,622.19 × 449.59
  4. Step 4: Simplify right side
    1,748.13x = 1,178,910.40
  5. Step 5: Solve for x
    x = 1,178,910.40/1,748.13
  6. Step 6: Final answer
    x = 674.38

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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.