Home / 1,754.03-2,631.11-455.46

Finding the Fourth Proportional to 1,754.03, 2,631.11 and 455.46

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Solution

The fourth proportional to 1,754.03, 2,631.11 and 455.46 is: 683.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.03 : 2,631.11 = 455.46 : x
  2. Step 2: Convert to fraction form
    1,754.03/2,631.11 = 455.46/x
  3. Step 3: Cross multiply
    1,754.03x = 2,631.11 × 455.46
  4. Step 4: Simplify right side
    1,754.03x = 1,198,363.08
  5. Step 5: Solve for x
    x = 1,198,363.08/1,754.03
  6. Step 6: Final answer
    x = 683.21

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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.