Home / 1,631.68-2,445.22-1,264.75

Finding the Fourth Proportional to 1,631.68, 2,445.22 and 1,264.75

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Solution

The fourth proportional to 1,631.68, 2,445.22 and 1,264.75 is: 1,895.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.68 : 2,445.22 = 1,264.75 : x
  2. Step 2: Convert to fraction form
    1,631.68/2,445.22 = 1,264.75/x
  3. Step 3: Cross multiply
    1,631.68x = 2,445.22 × 1,264.75
  4. Step 4: Simplify right side
    1,631.68x = 3,092,592.00
  5. Step 5: Solve for x
    x = 3,092,592.00/1,631.68
  6. Step 6: Final answer
    x = 1,895.34

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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.