Home / 1,944.88-2,684.62-1,158.90

Finding the Fourth Proportional to 1,944.88, 2,684.62 and 1,158.90

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Solution

The fourth proportional to 1,944.88, 2,684.62 and 1,158.90 is: 1,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.88 : 2,684.62 = 1,158.90 : x
  2. Step 2: Convert to fraction form
    1,944.88/2,684.62 = 1,158.90/x
  3. Step 3: Cross multiply
    1,944.88x = 2,684.62 × 1,158.90
  4. Step 4: Simplify right side
    1,944.88x = 3,111,206.12
  5. Step 5: Solve for x
    x = 3,111,206.12/1,944.88
  6. Step 6: Final answer
    x = 1,599.69

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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.