Home / 1,629.40-2,246.94-966.28

Finding the Fourth Proportional to 1,629.40, 2,246.94 and 966.28

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Solution

The fourth proportional to 1,629.40, 2,246.94 and 966.28 is: 1,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.40 : 2,246.94 = 966.28 : x
  2. Step 2: Convert to fraction form
    1,629.40/2,246.94 = 966.28/x
  3. Step 3: Cross multiply
    1,629.40x = 2,246.94 × 966.28
  4. Step 4: Simplify right side
    1,629.40x = 2,171,173.18
  5. Step 5: Solve for x
    x = 2,171,173.18/1,629.40
  6. Step 6: Final answer
    x = 1,332.50

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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.