Home / 1,631.46-2,445.30-1,265.07

Finding the Fourth Proportional to 1,631.46, 2,445.30 and 1,265.07

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Solution

The fourth proportional to 1,631.46, 2,445.30 and 1,265.07 is: 1,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.46 : 2,445.30 = 1,265.07 : x
  2. Step 2: Convert to fraction form
    1,631.46/2,445.30 = 1,265.07/x
  3. Step 3: Cross multiply
    1,631.46x = 2,445.30 × 1,265.07
  4. Step 4: Simplify right side
    1,631.46x = 3,093,475.67
  5. Step 5: Solve for x
    x = 3,093,475.67/1,631.46
  6. Step 6: Final answer
    x = 1,896.14

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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.