Home / 1,629.80-2,247.56-1,184.58

Finding the Fourth Proportional to 1,629.80, 2,247.56 and 1,184.58

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Solution

The fourth proportional to 1,629.80, 2,247.56 and 1,184.58 is: 1,633.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.80 : 2,247.56 = 1,184.58 : x
  2. Step 2: Convert to fraction form
    1,629.80/2,247.56 = 1,184.58/x
  3. Step 3: Cross multiply
    1,629.80x = 2,247.56 × 1,184.58
  4. Step 4: Simplify right side
    1,629.80x = 2,662,408.70
  5. Step 5: Solve for x
    x = 2,662,408.70/1,629.80
  6. Step 6: Final answer
    x = 1,633.59

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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.