Home / 1,450.41-2,175.61-354.77

Finding the Fourth Proportional to 1,450.41, 2,175.61 and 354.77

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Solution

The fourth proportional to 1,450.41, 2,175.61 and 354.77 is: 532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.41 : 2,175.61 = 354.77 : x
  2. Step 2: Convert to fraction form
    1,450.41/2,175.61 = 354.77/x
  3. Step 3: Cross multiply
    1,450.41x = 2,175.61 × 354.77
  4. Step 4: Simplify right side
    1,450.41x = 771,841.16
  5. Step 5: Solve for x
    x = 771,841.16/1,450.41
  6. Step 6: Final answer
    x = 532.15

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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.