Home / 1,485.88-2,226.56-1,176.44

Finding the Fourth Proportional to 1,485.88, 2,226.56 and 1,176.44

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Solution

The fourth proportional to 1,485.88, 2,226.56 and 1,176.44 is: 1,762.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.88 : 2,226.56 = 1,176.44 : x
  2. Step 2: Convert to fraction form
    1,485.88/2,226.56 = 1,176.44/x
  3. Step 3: Cross multiply
    1,485.88x = 2,226.56 × 1,176.44
  4. Step 4: Simplify right side
    1,485.88x = 2,619,414.25
  5. Step 5: Solve for x
    x = 2,619,414.25/1,485.88
  6. Step 6: Final answer
    x = 1,762.87

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1.5x scale

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.