Home / 1,629.37-2,247.51-966.07

Finding the Fourth Proportional to 1,629.37, 2,247.51 and 966.07

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Solution

The fourth proportional to 1,629.37, 2,247.51 and 966.07 is: 1,332.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.37 : 2,247.51 = 966.07 : x
  2. Step 2: Convert to fraction form
    1,629.37/2,247.51 = 966.07/x
  3. Step 3: Cross multiply
    1,629.37x = 2,247.51 × 966.07
  4. Step 4: Simplify right side
    1,629.37x = 2,171,251.99
  5. Step 5: Solve for x
    x = 2,171,251.99/1,629.37
  6. Step 6: Final answer
    x = 1,332.57

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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.