Home / 1,627.14-2,245.88-964.19

Finding the Fourth Proportional to 1,627.14, 2,245.88 and 964.19

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Solution

The fourth proportional to 1,627.14, 2,245.88 and 964.19 is: 1,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.14 : 2,245.88 = 964.19 : x
  2. Step 2: Convert to fraction form
    1,627.14/2,245.88 = 964.19/x
  3. Step 3: Cross multiply
    1,627.14x = 2,245.88 × 964.19
  4. Step 4: Simplify right side
    1,627.14x = 2,165,455.04
  5. Step 5: Solve for x
    x = 2,165,455.04/1,627.14
  6. Step 6: Final answer
    x = 1,330.84

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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.