Home / 1,627.96-2,246.70-929.44

Finding the Fourth Proportional to 1,627.96, 2,246.70 and 929.44

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Solution

The fourth proportional to 1,627.96, 2,246.70 and 929.44 is: 1,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.96 : 2,246.70 = 929.44 : x
  2. Step 2: Convert to fraction form
    1,627.96/2,246.70 = 929.44/x
  3. Step 3: Cross multiply
    1,627.96x = 2,246.70 × 929.44
  4. Step 4: Simplify right side
    1,627.96x = 2,088,172.85
  5. Step 5: Solve for x
    x = 2,088,172.85/1,627.96
  6. Step 6: Final answer
    x = 1,282.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.