Home / 1,631.71-2,447.05-535.83

Finding the Fourth Proportional to 1,631.71, 2,447.05 and 535.83

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Solution

The fourth proportional to 1,631.71, 2,447.05 and 535.83 is: 803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.71 : 2,447.05 = 535.83 : x
  2. Step 2: Convert to fraction form
    1,631.71/2,447.05 = 535.83/x
  3. Step 3: Cross multiply
    1,631.71x = 2,447.05 × 535.83
  4. Step 4: Simplify right side
    1,631.71x = 1,311,202.80
  5. Step 5: Solve for x
    x = 1,311,202.80/1,631.71
  6. Step 6: Final answer
    x = 803.58

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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.