Home / 2,237.67-3,358.04-921.51

Finding the Fourth Proportional to 2,237.67, 3,358.04 and 921.51

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Solution

The fourth proportional to 2,237.67, 3,358.04 and 921.51 is: 1,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.67 : 3,358.04 = 921.51 : x
  2. Step 2: Convert to fraction form
    2,237.67/3,358.04 = 921.51/x
  3. Step 3: Cross multiply
    2,237.67x = 3,358.04 × 921.51
  4. Step 4: Simplify right side
    2,237.67x = 3,094,450.65
  5. Step 5: Solve for x
    x = 3,094,450.65/2,237.67
  6. Step 6: Final answer
    x = 1,382.89

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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.