Home / 2,153.23-3,237.14-1,720.02

Finding the Fourth Proportional to 2,153.23, 3,237.14 and 1,720.02

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Solution

The fourth proportional to 2,153.23, 3,237.14 and 1,720.02 is: 2,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.23 : 3,237.14 = 1,720.02 : x
  2. Step 2: Convert to fraction form
    2,153.23/3,237.14 = 1,720.02/x
  3. Step 3: Cross multiply
    2,153.23x = 3,237.14 × 1,720.02
  4. Step 4: Simplify right side
    2,153.23x = 5,567,945.54
  5. Step 5: Solve for x
    x = 5,567,945.54/2,153.23
  6. Step 6: Final answer
    x = 2,585.86

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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.