Home / 1,629.76-2,248.32-1,133.44

Finding the Fourth Proportional to 1,629.76, 2,248.32 and 1,133.44

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Solution

The fourth proportional to 1,629.76, 2,248.32 and 1,133.44 is: 1,563.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.76 : 2,248.32 = 1,133.44 : x
  2. Step 2: Convert to fraction form
    1,629.76/2,248.32 = 1,133.44/x
  3. Step 3: Cross multiply
    1,629.76x = 2,248.32 × 1,133.44
  4. Step 4: Simplify right side
    1,629.76x = 2,548,335.82
  5. Step 5: Solve for x
    x = 2,548,335.82/1,629.76
  6. Step 6: Final answer
    x = 1,563.63

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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.