Home / 1,633.12-2,253.90-934.72

Finding the Fourth Proportional to 1,633.12, 2,253.90 and 934.72

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Solution

The fourth proportional to 1,633.12, 2,253.90 and 934.72 is: 1,290.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.12 : 2,253.90 = 934.72 : x
  2. Step 2: Convert to fraction form
    1,633.12/2,253.90 = 934.72/x
  3. Step 3: Cross multiply
    1,633.12x = 2,253.90 × 934.72
  4. Step 4: Simplify right side
    1,633.12x = 2,106,765.41
  5. Step 5: Solve for x
    x = 2,106,765.41/1,633.12
  6. Step 6: Final answer
    x = 1,290.02

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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.