Home / 1,450.08-2,001.09-786.92

Finding the Fourth Proportional to 1,450.08, 2,001.09 and 786.92

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Solution

The fourth proportional to 1,450.08, 2,001.09 and 786.92 is: 1,085.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.08 : 2,001.09 = 786.92 : x
  2. Step 2: Convert to fraction form
    1,450.08/2,001.09 = 786.92/x
  3. Step 3: Cross multiply
    1,450.08x = 2,001.09 × 786.92
  4. Step 4: Simplify right side
    1,450.08x = 1,574,687.74
  5. Step 5: Solve for x
    x = 1,574,687.74/1,450.08
  6. Step 6: Final answer
    x = 1,085.93

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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.