Home / 2,774.13-4,158.69-1,663.89

Finding the Fourth Proportional to 2,774.13, 4,158.69 and 1,663.89

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Solution

The fourth proportional to 2,774.13, 4,158.69 and 1,663.89 is: 2,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.13 : 4,158.69 = 1,663.89 : x
  2. Step 2: Convert to fraction form
    2,774.13/4,158.69 = 1,663.89/x
  3. Step 3: Cross multiply
    2,774.13x = 4,158.69 × 1,663.89
  4. Step 4: Simplify right side
    2,774.13x = 6,919,602.70
  5. Step 5: Solve for x
    x = 6,919,602.70/2,774.13
  6. Step 6: Final answer
    x = 2,494.33

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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.