Home / 1,631.17-2,447.01-535.29

Finding the Fourth Proportional to 1,631.17, 2,447.01 and 535.29

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Solution

The fourth proportional to 1,631.17, 2,447.01 and 535.29 is: 803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.17 : 2,447.01 = 535.29 : x
  2. Step 2: Convert to fraction form
    1,631.17/2,447.01 = 535.29/x
  3. Step 3: Cross multiply
    1,631.17x = 2,447.01 × 535.29
  4. Step 4: Simplify right side
    1,631.17x = 1,309,859.98
  5. Step 5: Solve for x
    x = 1,309,859.98/1,631.17
  6. Step 6: Final answer
    x = 803.02

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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.