Home / 1,631.03-2,446.70-535.50

Finding the Fourth Proportional to 1,631.03, 2,446.70 and 535.50

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Solution

The fourth proportional to 1,631.03, 2,446.70 and 535.50 is: 803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.03 : 2,446.70 = 535.50 : x
  2. Step 2: Convert to fraction form
    1,631.03/2,446.70 = 535.50/x
  3. Step 3: Cross multiply
    1,631.03x = 2,446.70 × 535.50
  4. Step 4: Simplify right side
    1,631.03x = 1,310,205.17
  5. Step 5: Solve for x
    x = 1,310,205.17/1,631.03
  6. Step 6: Final answer
    x = 803.30

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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.