Home / 2,046.66-2,824.47-1,115.22

Finding the Fourth Proportional to 2,046.66, 2,824.47 and 1,115.22

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Solution

The fourth proportional to 2,046.66, 2,824.47 and 1,115.22 is: 1,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.66 : 2,824.47 = 1,115.22 : x
  2. Step 2: Convert to fraction form
    2,046.66/2,824.47 = 1,115.22/x
  3. Step 3: Cross multiply
    2,046.66x = 2,824.47 × 1,115.22
  4. Step 4: Simplify right side
    2,046.66x = 3,149,905.43
  5. Step 5: Solve for x
    x = 3,149,905.43/2,046.66
  6. Step 6: Final answer
    x = 1,539.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.