Home / 1,450.10-2,175.13-354.47

Finding the Fourth Proportional to 1,450.10, 2,175.13 and 354.47

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Solution

The fourth proportional to 1,450.10, 2,175.13 and 354.47 is: 531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.10 : 2,175.13 = 354.47 : x
  2. Step 2: Convert to fraction form
    1,450.10/2,175.13 = 354.47/x
  3. Step 3: Cross multiply
    1,450.10x = 2,175.13 × 354.47
  4. Step 4: Simplify right side
    1,450.10x = 771,018.33
  5. Step 5: Solve for x
    x = 771,018.33/1,450.10
  6. Step 6: Final answer
    x = 531.70

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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.