Home / 1,632.39-2,252.67-933.75

Finding the Fourth Proportional to 1,632.39, 2,252.67 and 933.75

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Solution

The fourth proportional to 1,632.39, 2,252.67 and 933.75 is: 1,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.39 : 2,252.67 = 933.75 : x
  2. Step 2: Convert to fraction form
    1,632.39/2,252.67 = 933.75/x
  3. Step 3: Cross multiply
    1,632.39x = 2,252.67 × 933.75
  4. Step 4: Simplify right side
    1,632.39x = 2,103,430.61
  5. Step 5: Solve for x
    x = 2,103,430.61/1,632.39
  6. Step 6: Final answer
    x = 1,288.56

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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.