Home / 1,719.44-2,572.98-1,489.12

Finding the Fourth Proportional to 1,719.44, 2,572.98 and 1,489.12

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Solution

The fourth proportional to 1,719.44, 2,572.98 and 1,489.12 is: 2,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.44 : 2,572.98 = 1,489.12 : x
  2. Step 2: Convert to fraction form
    1,719.44/2,572.98 = 1,489.12/x
  3. Step 3: Cross multiply
    1,719.44x = 2,572.98 × 1,489.12
  4. Step 4: Simplify right side
    1,719.44x = 3,831,475.98
  5. Step 5: Solve for x
    x = 3,831,475.98/1,719.44
  6. Step 6: Final answer
    x = 2,228.33

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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.