Home / 1,631.33-2,446.74-535.71

Finding the Fourth Proportional to 1,631.33, 2,446.74 and 535.71

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Solution

The fourth proportional to 1,631.33, 2,446.74 and 535.71 is: 803.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.33 : 2,446.74 = 535.71 : x
  2. Step 2: Convert to fraction form
    1,631.33/2,446.74 = 535.71/x
  3. Step 3: Cross multiply
    1,631.33x = 2,446.74 × 535.71
  4. Step 4: Simplify right side
    1,631.33x = 1,310,743.09
  5. Step 5: Solve for x
    x = 1,310,743.09/1,631.33
  6. Step 6: Final answer
    x = 803.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.