Home / 2,782.48-4,176.34-1,744.56

Finding the Fourth Proportional to 2,782.48, 4,176.34 and 1,744.56

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Solution

The fourth proportional to 2,782.48, 4,176.34 and 1,744.56 is: 2,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.48 : 4,176.34 = 1,744.56 : x
  2. Step 2: Convert to fraction form
    2,782.48/4,176.34 = 1,744.56/x
  3. Step 3: Cross multiply
    2,782.48x = 4,176.34 × 1,744.56
  4. Step 4: Simplify right side
    2,782.48x = 7,285,875.71
  5. Step 5: Solve for x
    x = 7,285,875.71/2,782.48
  6. Step 6: Final answer
    x = 2,618.48

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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.