Home / 2,188.34-3,021.14-1,517.12

Finding the Fourth Proportional to 2,188.34, 3,021.14 and 1,517.12

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Solution

The fourth proportional to 2,188.34, 3,021.14 and 1,517.12 is: 2,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.34 : 3,021.14 = 1,517.12 : x
  2. Step 2: Convert to fraction form
    2,188.34/3,021.14 = 1,517.12/x
  3. Step 3: Cross multiply
    2,188.34x = 3,021.14 × 1,517.12
  4. Step 4: Simplify right side
    2,188.34x = 4,583,431.92
  5. Step 5: Solve for x
    x = 4,583,431.92/2,188.34
  6. Step 6: Final answer
    x = 2,094.48

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1.5x scale

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.