Home / 1,450.63-2,001.85-1,008.77

Finding the Fourth Proportional to 1,450.63, 2,001.85 and 1,008.77

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Solution

The fourth proportional to 1,450.63, 2,001.85 and 1,008.77 is: 1,392.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.63 : 2,001.85 = 1,008.77 : x
  2. Step 2: Convert to fraction form
    1,450.63/2,001.85 = 1,008.77/x
  3. Step 3: Cross multiply
    1,450.63x = 2,001.85 × 1,008.77
  4. Step 4: Simplify right side
    1,450.63x = 2,019,404.95
  5. Step 5: Solve for x
    x = 2,019,404.95/1,450.63
  6. Step 6: Final answer
    x = 1,392.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.