Home / 2,188.14-3,019.43-1,193.40

Finding the Fourth Proportional to 2,188.14, 3,019.43 and 1,193.40

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Solution

The fourth proportional to 2,188.14, 3,019.43 and 1,193.40 is: 1,646.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.14 : 3,019.43 = 1,193.40 : x
  2. Step 2: Convert to fraction form
    2,188.14/3,019.43 = 1,193.40/x
  3. Step 3: Cross multiply
    2,188.14x = 3,019.43 × 1,193.40
  4. Step 4: Simplify right side
    2,188.14x = 3,603,371.29
  5. Step 5: Solve for x
    x = 3,603,371.29/2,188.14
  6. Step 6: Final answer
    x = 1,646.77

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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.