Home / 1,632.24-2,252.79-969.45

Finding the Fourth Proportional to 1,632.24, 2,252.79 and 969.45

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Solution

The fourth proportional to 1,632.24, 2,252.79 and 969.45 is: 1,338.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.24 : 2,252.79 = 969.45 : x
  2. Step 2: Convert to fraction form
    1,632.24/2,252.79 = 969.45/x
  3. Step 3: Cross multiply
    1,632.24x = 2,252.79 × 969.45
  4. Step 4: Simplify right side
    1,632.24x = 2,183,967.27
  5. Step 5: Solve for x
    x = 2,183,967.27/1,632.24
  6. Step 6: Final answer
    x = 1,338.02

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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.