Home / 2,188.96-3,018.44-1,875.24

Finding the Fourth Proportional to 2,188.96, 3,018.44 and 1,875.24

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Solution

The fourth proportional to 2,188.96, 3,018.44 and 1,875.24 is: 2,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.96 : 3,018.44 = 1,875.24 : x
  2. Step 2: Convert to fraction form
    2,188.96/3,018.44 = 1,875.24/x
  3. Step 3: Cross multiply
    2,188.96x = 3,018.44 × 1,875.24
  4. Step 4: Simplify right side
    2,188.96x = 5,660,299.43
  5. Step 5: Solve for x
    x = 5,660,299.43/2,188.96
  6. Step 6: Final answer
    x = 2,585.84

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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.