Home / 2,394.20-3,590.66-1,077.21

Finding the Fourth Proportional to 2,394.20, 3,590.66 and 1,077.21

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Solution

The fourth proportional to 2,394.20, 3,590.66 and 1,077.21 is: 1,615.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.20 : 3,590.66 = 1,077.21 : x
  2. Step 2: Convert to fraction form
    2,394.20/3,590.66 = 1,077.21/x
  3. Step 3: Cross multiply
    2,394.20x = 3,590.66 × 1,077.21
  4. Step 4: Simplify right side
    2,394.20x = 3,867,897.55
  5. Step 5: Solve for x
    x = 3,867,897.55/2,394.20
  6. Step 6: Final answer
    x = 1,615.53

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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.