Home / 1,719.77-2,573.48-1,489.44

Finding the Fourth Proportional to 1,719.77, 2,573.48 and 1,489.44

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Solution

The fourth proportional to 1,719.77, 2,573.48 and 1,489.44 is: 2,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.77 : 2,573.48 = 1,489.44 : x
  2. Step 2: Convert to fraction form
    1,719.77/2,573.48 = 1,489.44/x
  3. Step 3: Cross multiply
    1,719.77x = 2,573.48 × 1,489.44
  4. Step 4: Simplify right side
    1,719.77x = 3,833,036.60
  5. Step 5: Solve for x
    x = 3,833,036.60/1,719.77
  6. Step 6: Final answer
    x = 2,228.81

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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.