Home / 1,824.21-2,739.96-1,780.47

Finding the Fourth Proportional to 1,824.21, 2,739.96 and 1,780.47

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Solution

The fourth proportional to 1,824.21, 2,739.96 and 1,780.47 is: 2,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.21 : 2,739.96 = 1,780.47 : x
  2. Step 2: Convert to fraction form
    1,824.21/2,739.96 = 1,780.47/x
  3. Step 3: Cross multiply
    1,824.21x = 2,739.96 × 1,780.47
  4. Step 4: Simplify right side
    1,824.21x = 4,878,416.58
  5. Step 5: Solve for x
    x = 4,878,416.58/1,824.21
  6. Step 6: Final answer
    x = 2,674.26

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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.