Home / 1,599.12-2,395.08-1,188.96

Finding the Fourth Proportional to 1,599.12, 2,395.08 and 1,188.96

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Solution

The fourth proportional to 1,599.12, 2,395.08 and 1,188.96 is: 1,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.12 : 2,395.08 = 1,188.96 : x
  2. Step 2: Convert to fraction form
    1,599.12/2,395.08 = 1,188.96/x
  3. Step 3: Cross multiply
    1,599.12x = 2,395.08 × 1,188.96
  4. Step 4: Simplify right side
    1,599.12x = 2,847,654.32
  5. Step 5: Solve for x
    x = 2,847,654.32/1,599.12
  6. Step 6: Final answer
    x = 1,780.76

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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.