Home / 1,632.48-2,253.60-933.72

Finding the Fourth Proportional to 1,632.48, 2,253.60 and 933.72

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Solution

The fourth proportional to 1,632.48, 2,253.60 and 933.72 is: 1,288.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.48 : 2,253.60 = 933.72 : x
  2. Step 2: Convert to fraction form
    1,632.48/2,253.60 = 933.72/x
  3. Step 3: Cross multiply
    1,632.48x = 2,253.60 × 933.72
  4. Step 4: Simplify right side
    1,632.48x = 2,104,231.39
  5. Step 5: Solve for x
    x = 2,104,231.39/1,632.48
  6. Step 6: Final answer
    x = 1,288.98

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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.