Home / 1,720.23-2,369.55-1,601.02

Finding the Fourth Proportional to 1,720.23, 2,369.55 and 1,601.02

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Solution

The fourth proportional to 1,720.23, 2,369.55 and 1,601.02 is: 2,205.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.23 : 2,369.55 = 1,601.02 : x
  2. Step 2: Convert to fraction form
    1,720.23/2,369.55 = 1,601.02/x
  3. Step 3: Cross multiply
    1,720.23x = 2,369.55 × 1,601.02
  4. Step 4: Simplify right side
    1,720.23x = 3,793,696.94
  5. Step 5: Solve for x
    x = 3,793,696.94/1,720.23
  6. Step 6: Final answer
    x = 2,205.34

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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.