Home / 2,770.82-4,154.33-1,455.32

Finding the Fourth Proportional to 2,770.82, 4,154.33 and 1,455.32

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Solution

The fourth proportional to 2,770.82, 4,154.33 and 1,455.32 is: 2,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.82 : 4,154.33 = 1,455.32 : x
  2. Step 2: Convert to fraction form
    2,770.82/4,154.33 = 1,455.32/x
  3. Step 3: Cross multiply
    2,770.82x = 4,154.33 × 1,455.32
  4. Step 4: Simplify right side
    2,770.82x = 6,045,862.40
  5. Step 5: Solve for x
    x = 6,045,862.40/2,770.82
  6. Step 6: Final answer
    x = 2,181.98

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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.