Home / 1,719.45-2,375.60-1,588.23

Finding the Fourth Proportional to 1,719.45, 2,375.60 and 1,588.23

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Solution

The fourth proportional to 1,719.45, 2,375.60 and 1,588.23 is: 2,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.45 : 2,375.60 = 1,588.23 : x
  2. Step 2: Convert to fraction form
    1,719.45/2,375.60 = 1,588.23/x
  3. Step 3: Cross multiply
    1,719.45x = 2,375.60 × 1,588.23
  4. Step 4: Simplify right side
    1,719.45x = 3,772,991.25
  5. Step 5: Solve for x
    x = 3,772,991.25/1,719.45
  6. Step 6: Final answer
    x = 2,194.30

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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.