Home / 2,782.36-4,149.96-2,346.50

Finding the Fourth Proportional to 2,782.36, 4,149.96 and 2,346.50

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Solution

The fourth proportional to 2,782.36, 4,149.96 and 2,346.50 is: 3,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.36 : 4,149.96 = 2,346.50 : x
  2. Step 2: Convert to fraction form
    2,782.36/4,149.96 = 2,346.50/x
  3. Step 3: Cross multiply
    2,782.36x = 4,149.96 × 2,346.50
  4. Step 4: Simplify right side
    2,782.36x = 9,737,881.14
  5. Step 5: Solve for x
    x = 9,737,881.14/2,782.36
  6. Step 6: Final answer
    x = 3,499.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.