Home / 1,627.66-2,245.69-964.27

Finding the Fourth Proportional to 1,627.66, 2,245.69 and 964.27

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Solution

The fourth proportional to 1,627.66, 2,245.69 and 964.27 is: 1,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.66 : 2,245.69 = 964.27 : x
  2. Step 2: Convert to fraction form
    1,627.66/2,245.69 = 964.27/x
  3. Step 3: Cross multiply
    1,627.66x = 2,245.69 × 964.27
  4. Step 4: Simplify right side
    1,627.66x = 2,165,451.50
  5. Step 5: Solve for x
    x = 2,165,451.50/1,627.66
  6. Step 6: Final answer
    x = 1,330.41

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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.