Home / 1,631.54-2,447.43-535.88

Finding the Fourth Proportional to 1,631.54, 2,447.43 and 535.88

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Solution

The fourth proportional to 1,631.54, 2,447.43 and 535.88 is: 803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.54 : 2,447.43 = 535.88 : x
  2. Step 2: Convert to fraction form
    1,631.54/2,447.43 = 535.88/x
  3. Step 3: Cross multiply
    1,631.54x = 2,447.43 × 535.88
  4. Step 4: Simplify right side
    1,631.54x = 1,311,528.79
  5. Step 5: Solve for x
    x = 1,311,528.79/1,631.54
  6. Step 6: Final answer
    x = 803.86

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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.