Home / 2,190.33-3,281.85-1,537.92

Finding the Fourth Proportional to 2,190.33, 3,281.85 and 1,537.92

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Solution

The fourth proportional to 2,190.33, 3,281.85 and 1,537.92 is: 2,304.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.33 : 3,281.85 = 1,537.92 : x
  2. Step 2: Convert to fraction form
    2,190.33/3,281.85 = 1,537.92/x
  3. Step 3: Cross multiply
    2,190.33x = 3,281.85 × 1,537.92
  4. Step 4: Simplify right side
    2,190.33x = 5,047,222.75
  5. Step 5: Solve for x
    x = 5,047,222.75/2,190.33
  6. Step 6: Final answer
    x = 2,304.32

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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.